Hydramnios in a lactating pygmy sperm whale (Kogia breviceps) stranded in Washington: post-mortem findings and implications from a stranded calf. Learn more about the Pygmy sperm whale – with amazing Pygmy sperm whale photos and facts on Arkive. Kogia breviceps (de Blainville, ) is a cetacean commonly called the pygmy sperm whale. A diminutive relative of the sperm whale and.
|Published (Last):||27 November 2013|
|PDF File Size:||1.63 Mb|
|ePub File Size:||6.75 Mb|
|Price:||Free* [*Free Regsitration Required]|
Kogia breviceps is confined to warmer waters Minasian et al. They may iogia to more temperate waters in the summer months. They also stay in deep waters Watson Calves are about 55 kilograms at birth. Their head is conical with a small underslung jaw that opens beneath the upper jaw in a shark-like manner.
Pygmy sperm whale (Kogia breviceps)
The flippers are short, broad, and far forward on the body. They have a small curved dorsal fin.
In the water they often look purple. They are a paler grey on the belly. This is often called a “false gill”, further attributing to its resemblance to a shark. There is another similar pale spot in front of the eye. They have a short rostrum kogoa makes their wide skull triangular.
These two traits distinguish the pygmy sperm whale, K. Mating usually takes place in the summer. Gestation lasts for about 9 months and the calf is born in the spring. The calf stays with its mother and is nursed for about 12 months.
Pygmy sperm whale
Calves are about 1. Though there are sightings of solitary individuals, most of the whales travel in small pods of Like the great sperm brevicepe, Physeter macrocephalusK.
Also like the great sperm whale, K. This suggests that they have the ability to dive into very deep water and hover motionless at any depth to wait for prey. They have great speed and can stay under water for long periods of time, another reason to suspect very deep dives.
There seems to be a relation between strandings and motherhood, as most strandings are mothers with newborn calves. Iogia is little economic benefit to humans from K. They are relatively uncommon so few are taken by the Japanese and an occasinal one is take by Indonesians http: Not much is known about this species. The infrequency of sightings is nreviceps assumed as rareness. It is vulnerable to Hawaiian fisheries and gillnets, float lines, and long lines.
It is the second largest ocean in the world after the Pacific Ocean. Referring to an animal that lives on or near the bottom of a body of water. Also an aquatic biome consisting of the ocean bottom below the klgia and coastal zones.
Bottom habitats in the very deepest oceans below m are sometimes referred to as the abyssal zone. Brevicepa with bilateral symmetry have dorsal and ventral sides, as well kogai anterior and posterior ends. Synapomorphy of the Bilateria.
Endothermy is a synapomorphy of the Mammalia, although it may have arisen in a now extinct synapsid ancestor; the fossil record does not distinguish these possibilities. Iteroparous animals must, by definition, survive over multiple seasons or periodic condition changes. Accessed December 4, at http: Sea Guide to Whales of the World. Help us improve the site by taking our survey.
Pygmy sperm whale videos, photos and facts – Kogia breviceps | Arkive
To cite this page: Accessed December 31, at https: The Animal Diversity Web is mogia educational resource written largely by and for college students. ADW doesn’t cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control.
Kogia breviceps pygmy sperm whale Facebook. Geographic Brevjceps Kogia breviceps is confined to warmer waters Minasian et al. Biogeographic Regions indian ocean native atlantic ocean native pacific ocean native Habitat K.
Aquatic Biomes benthic coastal Physical Description K. Other Physical Features endothermic bilateral symmetry Average mass kg Positive There is little economic benefit to humans from K. Conservation Status Not much is known about this species.
MarLIN – The Marine Life Information Network – Pygmy sperm whale (Kogia breviceps)
It is vulnerable to Hawaiian fisheries and gillnets, float lines, and long lines http: Glossary Atlantic Ocean the body of water between Africa, Europe, the southern ocean above 60 degrees south latitudeand the western hemisphere. Pacific Ocean body of water between the southern ocean above 60 degrees south latitudeAustralia, Asia, and the western hemisphere.
Connect with us Help us improve the site by taking our survey. Classification Kingdom Animalia animals Animalia: The ADW Team gratefully acknowledges their support.