A new kogiid sperm whale from northern italy supports. Natural selection is the mechanism by which evolution occurs. Kogia breviceps article about kogia breviceps by the. Evidence from geology, fossils and comparative anatomy provide the basis for the theory of evolution by natural selection.
Kogia breviceps pygmy sperm whale kogia sima dwarf sperm whale. Kogiids are known by two living species, the pygmy and dwarf sperm whale kogia breviceps and k. Kogia sima, dwarf sperm whale, narrowband highfrequency, echolocation, biosonar, click, the bahamas, florida, atlantic, guam, pacific. Kogia simus, byrdes whale balaenoptera edeni, and the pygmy sperm whale kogia breviceps fig.
The pygmy sperm whale kogia breviceps is one of two extant species in the family. Summary of recorded cetacean strandings in the commonwealth. The genus kogia comprises two species, the dwarf kogia sima and the pygmy 43 sperm whale k. Subsequently, several surveys of metazoan parasites of cetaceans, from multiple geographic regions, have identified crassicaudids within k. 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.
Asian development bank and the bureau of fisheries and aquatic resources subject. They are not often sighted at sea, and most of what is known about them comes from the examination of stranded specimens. You can merge pdfs or a mix of pdf documents and other files. Clicks of dwarf sperm whales kogia sima karlina merkens,1 contractor to noaa nmfs pacific islands fisheries science center, 3710 sw caldew street, portland, oregon 97219, u. In hawaiian waters, pygmy sperm whales are the second most frequently recorded stranded cetacean species, with 35 strandings documented between 1963 and 2008 shallenberger 1981, nitta 1987, 931. Illegal, unreported, and unregulated iuu fishing, convention on international trade in endangered species of wild fauna and flora cites appendices, and philippine fisheries administrative orders fao. Odontocetes toothed whales are the most speciesrich marine mammal lineage. Kogia sima, dwarf sperm whale, narrowband highfrequency, echo. Fulltext is provided in portable document format pdf. Breviceps adspersus common rain frog or bushveld rain frog is a species of frog in the family brevicipitidae. Diet of pygmy sperm whales kogia breviceps in the hawaiian. The pygmy sperm whale kogia breviceps is one of two extant species in the family kogiidae in the sperm whale superfamily. Stranding events of kogia whales along the brazilian coast.
Finally, kogia gray is defined as the crown group composed of the last common ancestor of kogia breviceps blainville and k. It is found in angola, botswana, mozambique, namibia, south africa, swaziland, zambia, and zimbabwe. Request pdf stranding events of kogia whales along the brazilian coast the genus kogia, which comprises only two extant species, kogia sima and. All structured data from the file and property namespaces is available under the creative commons cc0 license. The killer whale and sperm whale reach maturity slowly, usually after 11 years of age. Kogia breviceps pygmy sperm whale 6 beaked whale 2 steno bredanensis roughtoothed dolphin 1 delphinus delphis shortbeaked dolphin 1, 1 lissodelphis borealis northern right whale 1 orcinus orca orca 1 tursiops aduncus indopacific dolphin 2 tursiops truncatus bottlenosed dolphin, 11, 4 balaenopteridae delphinidae phocoenidae. 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. Janik, sea mammal research unit, scottish oceans institute, school of biology. Notes on the confirmation of the dwarf sperm whale kogia sima. Apparent predation by a white shark carcharodon carcharias on.
To view articles you must have the free adobe acrobat reader. In the eastern north pacific ocean the neritic squid loligo opalescens is the most importantspecies preyed on by marine mammals over the continental shelf. Kogia breviceps pygmy sperm whale dd kogia sima dwarf sperm whale dd lagenorhynchus australis peales dolphin dd lagenorhynchus obscurus dusky dolphin dd lissodelphis peronii southern rightwhale dolphin dd mesoplodon bidens sowerbys beaked whale dd mesoplodon bowdoini andrews beaked whale dd. There are one or two pairs of teeth in the upper jaw. Sperm whale kogia breviceps the white shark carcharodon car charias is one of the largest pred atory fishes in the worldsoceans, and is an importantapex predator in coastal waters. Learn more about the pygmy sperm whale with amazing pygmy sperm whale photos and facts on arkive. Habitat use pattern of the giant parasitic nematode. The main hawaiian islands showing search effort and sightings of kogia sima 2, kogia breviceps 0, and kogia sp. 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. First records of the pygmy sperm whale, kogia breviceps, in. Marine mammals hawaii department of land and natural resources. The genus kogia comprises two species, the dwarf kogia sima and the pygmy.
The diet of the white sharkisquitediverse, includ ingbony fishes, sharks, seaturtles, birds, and various invertebrates compagno 1984. This paper summarizes those archived cetacean strandings in the cnmi, with the addition of post1995 spinner dolphin strandings. Kogia breviceps, an aquatic mammal of the suborder odontoceti toothed whales. As part of boatbased sur veys of odontocete cetaceans around the main hawaiian. Convergent evolution in toothed whale cochleae bmc. A diminutive relative of the sperm whale and difficult to identify in the field, it is 1 of only 2.
R d e e m p ar o m tmen of c a n n t f noaa technical memorandum nmfs this tm series is used for documentation and timely communication of preliminary results, interim reports, or special. In some coastal regions, however, stranding events of these species have been relatively common over the last decades. Hydramnios in a lactating pygmy sperm whale kogia breviceps stranded in washington. Marine mammals hawaii department of land and natural. Kogia breviceps is considered a pelagic species, living over the continental shelf edge, slope and deep oceanic waters. The biology and ecology of the pygmy sperm whale kogia breviceps is poorly understood among odontocetes mcalpine 2002. Media in category kogia breviceps the following 17 files are in this category, out of 17 total. This page was last edited on 23 november 2014, at 01.
Their diet includes oceanic squid and cuttlefish, fish and crustaceans. Most data obtained from both species comes from stranded animals or incidentally caught ones. Parts of this paper were originally prepared for a workshop. The mouth is located on the lower side of the head. The external characters, skeletal muscles and peripheral.
Files are available under licenses specified on their description page. It measures up to 4 m long and weighs up to 500 kg. Pygmy sperm whale kogia breviceps, an aquatic mammal of the suborder odontoceti toothed whales. Pdf entry discusses the characteristics, taxonomy, distribution, abundance, and ecology of pygmy kogia breviceps and dwarf sperm k. Atlantic whitesided dolphin lagenorhynchus acutus, uncommon. A david mann, logger head instruments, 6576 palmer park circle, sarasota, florida 34238, u. Evolutionary patterns among living and fossil kogiid sperm. It is endemic to offshore waters of the pacific, atlantic, and indian oceans in temperate and tropical regions. Predation by marine mammals on squids of the eastern north. Kogia breviceps pygmy sperm whale kogia sima dwarf sperm whale dolphin r esearch c enter, 58901 overseas hwy, grassy key, fl 33050. Their diet includes oceanic kogia breviceps is considered a pelagic species, living over the continental shelf edge, slope and deep oceanic waters. Click, drag, and drop to reorder files or press delete to remove any content you dont want. Click add files and select the files you want to include in your pdf. Request pdf stranding events of kogia whales along the brazilian coast the genus kogia, which comprises only two extant species, kogia sima and kogia breviceps, represents one of the least.
Kogia breviceps dww dwarf sperm whale cachalote enano kogia simus mys baleen whale, nei ballenas mysticetas nep mysticeti miw minke whale rorcual enano balaenoptera acutorostrata siw sei whale rorcual del norte balaenoptera borealis brw brydes whale rorcual tropical balaenoptera edeni blw blue whale ballena azul balaenoptera musculus fiw fin. Apparent predation by a white shark carcharodon carcharias. The ubiquity of echolocation in odontocetes across a wide range of physical and acoustic. Methods files containing historical documentation of cetacean strandings stored at the.
First records of the pygmy sperm whale, kogia breviceps. Kogia breviceps dww dwarf sperm whale cachalote enano kogia simus mys baleen whale, nei ballenas mysticetas nep mysticeti miw minke whale rorcual enano balaenoptera acutorostrata siw sei whale rorcual del norte balaenoptera borealis brw brydes whale rorcual tropical balaenoptera edeni blw blue whale. The two species in the family kogiidae, the pygmy kogia breviceps and dwarf k. How to merge pdfs and combine pdf files adobe acrobat dc. Kogia breviceps pygmy sperm whale dd kogia sima dwarf sperm whale dd lagenorhynchus australis peales dolphin dd lagenorhynchus obscurus dusky dolphin dd lissodelphis peronii southern rightwhale dolphin dd mesoplodon bidens sowerbys beaked whale. Despite recent studies of distribution and abundance e. The sperm whale breeds in the tropics and gives birth in the spring. Translations sugar glider petaurus breviceps catalan. The external characters, skeletal muscles and peripheral nerves of kogia breviceps blainville.
Acknowledging that the 14 th meeting of the conference of the parties to the convention on international trade in endangered species of wild fauna and flora cites the hague, june 2007. These cryptic species hereafter referred to as kogia are difficult to detect during visual surveys due to their small size and inconspicuous surfac. Kogia breviceps article about kogia breviceps by the free. Its natural habitats are dry savanna, moist savanna, temperate shrubland, subtropical or tropical dry shrubland, subtropical or tropical moist shrubland, temperate.
Information and translations of kogia breviceps in the most comprehensive dictionary definitions resource on the web. In the gulf of mexico, water depth is the main environmental variable that influences distribution of cetaceans. Protected philippine aquatic wildlife poster author. Additionally, we performed an analysis of the matrix using the same parameters outlined above but setting certain characters as ordered, following lambert et al. Rearrange individual pages or entire files in the desired order. Annual report of the new jersey state museum 1907 19179160819. However, this organ is much reduced in kogiids and may have become functionally different. Unfortunately, due to loss of computer files only 4 s of data were saved.