Stranding events of kogia whales along the brazilian coast plos. They occur in arid to semiarid climates of east africa and southern africa. This protocol describes the development of two igg class monoclonal antibodies mabs strongly reactive to myoglobin of cetaceans. Locomotor muscle profile of a deep kogia breviceps versus shallow tursiops truncatus diving cetacean. The mouth is located on the lower side of the head. Pygmy sperm whales kogia breviceps and dwarf sperm whales kogia sima are deep diving cetaceans that commonly strand along the coast of the southeast us, but that are difficult to study visually at sea because of their elusive behavior. Files are available under licenses specified on their description page. Pdf pygmy sperm whales kogia breviceps in the northeast.
Insulin and glucagon are hormones secreted by pancreatic. They are not often sighted at sea, and most of what is known about them comes from the examination of stranded specimens. The feeding kinematics of dwarf and pygmy sperm whales kogia sima and k. Jul 27, 2016 the world distribution of dwarf and pygmy sperm whales cetacea. The anatomical record is the first anatomy journal to showcase video in order to enrich content. Kogia breviceps definition of kogia breviceps by the free. Human anisakiasis is a parasitosis caused by the accidental ingestion of the infecting larvae of nematodes of the anisakidae family, mainly anisakis simplex and pseudoterranova decipiens.
A 315cm lactating female pygmy sperm whale, kogia breviceps, accompanied by a 156cm female calf stranded on south miami beach, dade county, florida, on march 1974, were used in the experiment. This page was last edited on 23 november 2014, at 01. Odontocetes toothed whales are the most speciesrich marine mammal lineage. Kogia breviceps, neonate that stranded in july 200 he first stranding, which occurred. The pygmy sperm whale kogia breviceps is one of two extant species in the family kogiidae. Bilateral polycystic kidneys and focal renal cystadenoma in a. This pdf is a selection from an outofprint volume from the national bureau of economic research volume title. Apparent predation by a white shark carcharadon charcharias on a pygmy sperm whale kogia breviceps pdf. Production and control of sound by the small sperm whale, kogia breviceps and kogia sima and their implications for other cetacea. To distribute this report quickly, it has not undergone the normal technical and copy editing by the nefsc editor as have most other issues in the noaa technical memorandum nmfsne series. Pdf little is known about the feeding ecology of pygmy sperm whales kogia breviceps in. The ubiquity of echolocation in odontocetes across a wide range of physical and acoustic environments suggests that. Annual report of the new jersey state museum 1907 19179160819. Kogia breviceps synonyms, kogia breviceps pronunciation, kogia breviceps translation, english dictionary definition of kogia breviceps.
The rostroventral dura of the brain contains a significant. Untitled the whitehead research lab dalhousie university. A sample of milk from the lactating female contained less fat and more lactose than most cetecean milks previously analyzed. Mean rsi data support a suction feeding strategy for kogia 0. Kogia breviceps, an aquatic mammal of the suborder odontoceti toothed whales. A diminutive relative of the sperm whale and difficult to identify in the field, it is 1 of only 2. Oct 24, 2019 odontocetes toothed whales are the most speciesrich marine mammal lineage. Status of the dwarf sperm whale kogia simus in canada. Structure, material characteristics and function of the. The rostroventral dura of the brain contains a significant concentration of magnetite crystals, which. Breviceps macrops has a globose body, short snout and large eyes. In this study, we characterized the gut microbiomes of two closelyrelated species in the cetacean genus kogia, k. Breviceps is a genus of frogs in the family brevicipitidae.
Wickert 0 1 rodrigo machado 0 1 salvatore siciliano 0 1 agostino merico 0 1 0 1 leibniz center for tropical marine ecology zmt, bremen, germany, 2. Kogia simus stomach contents indicate that they feed primarily on they can be found in tropical and temperate latitudes and brown l hare with sperm whales, physeter macrocephalus et al. During the spring months, this area undergoes a metamorphosis and becomes a field of blooming flowers cowling 2001. To better understand the endocrine physiology of cetaceans, we cloned and characterized the insulin and glucagon genes from pygmy. Evolutionary patterns among living and fossil kogiid sperm. Kogia breviceps blainville, the pygmy sperm whale, has been recorded repeatedly from the atlantic coast of north america hobbs, 1885. The genus kogia, which comprises only two extant species, kogia sima and kogia breviceps, represents one of the least known groups of cetaceans in the global ocean. Description breviceps fuscus is a relatively small frog at about 40 51mm snoutvent length. Pygmy sperm whale kogia breviceps, an aquatic mammal of the suborder odontoceti toothed whales. Kogia breviceps small sperm whale of warm waters of both coasts of north america pygmy sperm whale toothed whale any of several whales having. Albicetus oxymycterus, a new generic name and redescription. Frontiers assessing seasonality and density from passive. Both are relatively rare, and as their names suggest, they are closely related to the sperm whale, all being characterized by the presence of a spermaceti organ.
Kogia breviceps american association for anatomy wiley. The pygmy sperm whale kogia breviceps is one of two extant species in the family kogiidae in the sperm whale superfamily. Additionally, we performed an analysis of the matrix using the same parameters outlined above but setting certain characters as ordered, following lambert et al. It is endemic to offshore waters of the pacific, atlantic, and indian oceans in temperate and tropical regions. Other than the four covers inside and outside, front and back and first two. Feeding kinematics of kogia and tursiops odontoceti.
Letter to the editor probable recognition of human anisakiasis in brazil sao paulo, july 2, 2007 dear sir. The catalyst for their evolutionary success is echolocation a form of biological sonar that uses highfrequency sound, produced in the forehead and ultimately detected by the cochlea. It can be distinguished from other rain frogs in southern africa by the combination of a smooth venter with a transparent vascular window this character alone distinguishes it from all except b. Plastics and other marine debris have been found in the gastrointestinal tracts of cetaceans, including instances where large quantities of material have been found that are likely to cause impairment to digestive processes and other examples, where other morbidity and even death have resulted. Stranding provides the opportunity to investigate the biology of these cetaceans and to explore the. There are one or two pairs of teeth in the upper jaw. Sr, schmidtkoenig k, jacobs gj, belleville re, editors.
In particular, larvae having a relatively short, rounded tail, sometimes with a tiny spinelike mucron, had internal transcribed spacer its sequences nearly identical to those of a. Kogiidae is a family of toothed whales represented by two extant species, the pygmy kogia breviceps blainville and the dwarf k. Dwarf and pygmy sperm whales in hawaii cascadia research. Journal of the marine biological association of the united kingdom 83.
Living sperm whales are represented by only three species physeter macrocephalus, kogia breviceps and kogia sima, but their fossil record provides evidence of an ecologically diverse array of different forms, including morphologies and body sizes without analog among living physeteroids. Technology, institutions, productivity, and profits in american whaling, 18161906 volume authoreditor. The pygmy sperm whale kogia breviceps is one of two extant species in the family kogiidae in the. We photodocumented the presence of dwarf sperm whale kogia sima in the waters of the union of the comoros. Records of kogia breviceps from texas, with remarks on. The pygmy sperm whale, kogia breviceps, is a deep diver 500 m that is known to produce hunting clicks. In some instances, debris may have been ingested as a result of the stranding process and, in others. Main postmortem examination findings included bilateral multifocal variably sized renal cysts, focal renal cystadenoma, and mild dilation of the renal pelvises.
In some coastal regions, however, stranding events of these species have been relatively common over the last decades. Kogia breviceps kb pygmy sperm whale 15320 kauai 2000 sperm m j k. Frontiers characterization of insulin and glucagon genes. An adult male pygmy sperm whale kogia breviceps stranded alive at a beach in florida, us, in 2016. Breviceps macrops lives along the western coast of south africa and namibia in a region known as namaqualand, an arid coastal desert in the succulent karoo ecoregion with large sand dunes and sparse desert vegetation van jaarsveld 1987. It measures up to 4 m long and weighs up to 500 kg. Bilateral polycystic kidneys and focal renal cystadenoma. The world distribution of dwarf and pygmy sperm whales cetacea. All three occurrences were sightings of apparently healthy animals. Conventional visual surveys are thought to significantly underestimate the presence of kogia and they have proven difficult to approach for tracking and. Letter to the editor a northernmost record of dwarf sperm. However, they are some of the rarest whales, and hence little is known of their life history. Composition of milk of the pygmy sperm whale kogia breviceps. Giklaseklase sa iucn ang espesye sa kapos sa datos.
A diminutive relative of the sperm whale and difficult to identify in the field, it is 1 of only 2 members of the genus kogia. Mammal species of the world a taxonomic and geographic reference. Finally, kogia gray is defined as the crown group composed of the last common ancestor of kogia breviceps blainville and k. However, this organ is much reduced in kogiids and may have become functionally different. Species in the genus breviceps are commonly known as rain frogs or shortheaded frogs. Convergent evolution in toothed whale cochleae bmc.
The role of these renal lesions in the stranding of this whale is unknown. Dysregulation of insulin or glucagon can result in loss of blood glucose control, characterized by hyperglycemia or hypoglycemia. Stranding events of kogia whales along the brazilian coast. All three occurrences were sightings of apparently healthy. Kogiids are known by two living species, the pygmy and dwarf sperm whale kogia breviceps and k. January stranding events of kogia whales along the brazilian coast jailson f. The status of the pygmy sperm whale, kogia breviceps, in canada.
The ubiquity of echolocation in odontocetes across a wide range of physical and acoustic environments suggests that convergent. Anisakis infections in lantern fish myctophidae from the. Information and translations of kogia breviceps in the most comprehensive dictionary definitions resource on the web. Here we provide a redescription of ontocetus oxymycterus, a large but incomplete fossil sperm whale. The genus kogia, which comprises only two extant species, kogia sima and. First records of dwarf sperm whale kogia sima from the. They are not often sighted at sea, and most of what is known about them comes. The purpose of this conference is to address issues bearing on the health and well being of the four principal species of wild marine mammals found in florida waters. Media in category kogia breviceps the following 17 files are in this category, out of 17 total. The fourth finger is about 3mm long, and the free portion of the second finger about 3. Kogia breviceps definition of kogia breviceps by the. At sea, both species are elusive and difficult to identify.
Structure, material characteristics and function of the upper. Externally the first observations may be sand, seaweed, or other vegetation covering the body, wrinkling of the skin of the hands and feet socalled washerwoman changes, and injuries to the dorsa of the feet and to the knees. The autopsy findings in drowning cases are often characteristic but are not diagnostic, and so must be viewed in the context of each case. Ang kogia breviceps sakop sa kahenera nga kogia sa kabanay nga kogiidae. Moore, 1953, but to date the only published report from the gulf of mexico is that of moore 1953. Worms world register of marine species kogia breviceps. Kogia breviceps article about kogia breviceps by the. Kogia breviceps article about kogia breviceps by the free. These mabs are applied on a colloidal gold immunochromatographic test strip based on the sandwich format to differentiate the mb of cetaceans from seal and other animals. All structured data from the file and property namespaces is available under the creative commons cc0 license. Our study of an immature female shows that the upper respiratory tract is highly asymmetrical. Infection is acquired from the consumption of fish. Brian lee beatty, new york institute of technology college of osteopathic medicine, united states. Este mamifero cetaceo pertence a familia dos physeteridae.
237 508 880 966 128 1443 907 458 993 763 1003 108 472 191 108 1530 822 683 1106 1311 356 1522 933 824 1132 536 67 948 1393 1400 663 519 1351