The ubiquity of echolocation in odontocetes across a wide range of physical and acoustic environments suggests that. Kogia breviceps american association for anatomy wiley. First records of dwarf sperm whale kogia sima from the. 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. They are not often sighted at sea, and most of what is known about them comes from the examination of stranded specimens. Bilateral polycystic kidneys and focal renal cystadenoma. Giklaseklase sa iucn ang espesye sa kapos sa datos. This page was last edited on 23 november 2014, at 01.
The status of the pygmy sperm whale, kogia breviceps, in canada. 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. Convergent evolution in toothed whale cochleae bmc. They are not often sighted at sea, and most of what is known about them comes. They occur in arid to semiarid climates of east africa and southern africa. However, they are some of the rarest whales, and hence little is known of their life history. Structure, material characteristics and function of the upper. 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. 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. Annual report of the new jersey state museum 1907 19179160819. Kogia breviceps, an aquatic mammal of the suborder odontoceti toothed whales. Anisakis infections in lantern fish myctophidae from the. Brian lee beatty, new york institute of technology college of osteopathic medicine, united states. Evolutionary patterns among living and fossil kogiid sperm.
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. January stranding events of kogia whales along the brazilian coast jailson f. Composition of milk of the pygmy sperm whale kogia breviceps. Information and translations of kogia breviceps in the most comprehensive dictionary definitions resource on the web. In some instances, debris may have been ingested as a result of the stranding process and, in others. Mammal species of the world a taxonomic and geographic reference. The pygmy sperm whale kogia breviceps is one of two extant species in the family kogiidae in the sperm whale superfamily. Untitled the whitehead research lab dalhousie university. The anatomical record is the first anatomy journal to showcase video in order to enrich content. All structured data from the file and property namespaces is available under the creative commons cc0 license. Kogia breviceps definition of kogia breviceps by the.
Letter to the editor a northernmost record of dwarf sperm. In some coastal regions, however, stranding events of these species have been relatively common over the last decades. It measures up to 4 m long and weighs up to 500 kg. Frontiers assessing seasonality and density from passive. Jul 27, 2016 the world distribution of dwarf and pygmy sperm whales cetacea. The ubiquity of echolocation in odontocetes across a wide range of physical and acoustic environments suggests that convergent. Dysregulation of insulin or glucagon can result in loss of blood glucose control, characterized by hyperglycemia or hypoglycemia. Locomotor muscle profile of a deep kogia breviceps versus shallow tursiops truncatus diving cetacean. Kogiidae is a family of toothed whales represented by two extant species, the pygmy kogia breviceps blainville and the dwarf k. The mouth is located on the lower side of the head. The pygmy sperm whale kogia breviceps is one of two extant species in the family kogiidae. Stranding events of kogia whales along the brazilian coast plos. The rostroventral dura of the brain contains a significant. Breviceps is a genus of frogs in the family brevicipitidae.
Files are available under licenses specified on their description page. Status of the dwarf sperm whale kogia simus in canada. There are one or two pairs of teeth in the upper jaw. 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. 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. Este mamifero cetaceo pertence a familia dos physeteridae. Our study of an immature female shows that the upper respiratory tract is highly asymmetrical. Mean rsi data support a suction feeding strategy for kogia 0. Kogia breviceps, neonate that stranded in july 200 he first stranding, which occurred. Breviceps macrops has a globose body, short snout and large eyes.
Frontiers characterization of insulin and glucagon genes. 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. Feeding kinematics of kogia and tursiops odontoceti. 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. The rostroventral dura of the brain contains a significant concentration of magnetite crystals, which. 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. It is considered solitary and deepdiving in pursuit of cephalopod. 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. Technology, institutions, productivity, and profits in american whaling, 18161906 volume authoreditor. Pdf little is known about the feeding ecology of pygmy sperm whales kogia breviceps in. Albicetus oxymycterus, a new generic name and redescription. Letter to the editor probable recognition of human anisakiasis in brazil sao paulo, july 2, 2007 dear sir. Description breviceps fuscus is a relatively small frog at about 40 51mm snoutvent length. 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.
Stranding provides the opportunity to investigate the biology of these cetaceans and to explore the. Main postmortem examination findings included bilateral multifocal variably sized renal cysts, focal renal cystadenoma, and mild dilation of the renal pelvises. Kogia breviceps blainville, the pygmy sperm whale, has been recorded repeatedly from the atlantic coast of north america hobbs, 1885. Records of kogia breviceps from texas, with remarks on. It is endemic to offshore waters of the pacific, atlantic, and indian oceans in temperate and tropical regions. Kogia breviceps article about kogia breviceps by the. Insulin and glucagon are hormones secreted by pancreatic.
Other than the four covers inside and outside, front and back and first two. However, this organ is much reduced in kogiids and may have become functionally different. A diminutive relative of the sperm whale and difficult to identify in the field, it is 1 of only 2. Kogia breviceps synonyms, kogia breviceps pronunciation, kogia breviceps translation, english dictionary definition of kogia breviceps. Journal of the marine biological association of the united kingdom 83.
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. The world distribution of dwarf and pygmy sperm whales cetacea. At sea, both species are elusive and difficult to identify. Oct 24, 2019 odontocetes toothed whales are the most speciesrich marine mammal lineage. We photodocumented the presence of dwarf sperm whale kogia sima in the waters of the union of the comoros. Pdf pygmy sperm whales kogia breviceps in the northeast. The role of these renal lesions in the stranding of this whale is unknown. Kogia breviceps small sperm whale of warm waters of both coasts of north america pygmy sperm whale toothed whale any of several whales having. To better understand the endocrine physiology of cetaceans, we cloned and characterized the insulin and glucagon genes from pygmy. The feeding kinematics of dwarf and pygmy sperm whales kogia sima and k.
The pygmy sperm whale kogia breviceps is one of two extant species in the family kogiidae in the. Production and control of sound by the small sperm whale, kogia breviceps and kogia sima and their implications for other cetacea. Bilateral polycystic kidneys and focal renal cystadenoma in a. Sr, schmidtkoenig k, jacobs gj, belleville re, editors. An adult male pygmy sperm whale kogia breviceps stranded alive at a beach in florida, us, in 2016. 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. Apparent predation by a white shark carcharadon charcharias on a pygmy sperm whale kogia breviceps pdf.
A sample of milk from the lactating female contained less fat and more lactose than most cetecean milks previously analyzed. Pygmy sperm whale kogia breviceps, an aquatic mammal of the suborder odontoceti toothed whales. 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. This pdf is a selection from an outofprint volume from the national bureau of economic research volume title. Conventional visual surveys are thought to significantly underestimate the presence of kogia and they have proven difficult to approach for tracking and. Ang kogia breviceps sakop sa kahenera nga kogia sa kabanay nga kogiidae. All three occurrences were sightings of apparently healthy. Stranding events of kogia whales along the brazilian coast. Kogia breviceps kb pygmy sperm whale 15320 kauai 2000 sperm m j k. Additionally, we performed an analysis of the matrix using the same parameters outlined above but setting certain characters as ordered, following lambert et al. During the spring months, this area undergoes a metamorphosis and becomes a field of blooming flowers cowling 2001. Here we provide a redescription of ontocetus oxymycterus, a large but incomplete fossil sperm whale. Structure, material characteristics and function of the.
This protocol describes the development of two igg class monoclonal antibodies mabs strongly reactive to myoglobin of cetaceans. All three occurrences were sightings of apparently healthy animals. Kogia breviceps definition of kogia breviceps by the free. Dwarf and pygmy sperm whales in hawaii cascadia research. Finally, kogia gray is defined as the crown group composed of the last common ancestor of kogia breviceps blainville and k. In this study, we characterized the gut microbiomes of two closelyrelated species in the cetacean genus kogia, k. Odontocetes toothed whales are the most speciesrich marine mammal lineage. Kogiids are known by two living species, the pygmy and dwarf sperm whale kogia breviceps and k.