Size difference between Sperm Whale (blue), Pygmy Sperm Whale (green), Dwarf Sperm Whale (orange) and Human (black).
The dwarf sperm whale (Kogia sima) is a sperm whale that inhabits temperate and tropical oceans worldwide, in particular continental shelves and slopes.
The species was considered to be synonymous with the pygmy sperm whale (Kogia breviceps) from 1878 until 1998. The dwarf sperm whale is a small whale, 6 ft 7 inches to 8 ft 10 inches long and 300 to 600 lbs, that has a gray coloration, square head, small jaw, and robust body. Its appearance is very similar to the pygmy sperm whale, distinguished mainly by the position of the dorsal fin on the body–nearer the middle in the dwarf sperm whale and nearer the back in the other.
The dwarf sperm whale is a suction feeder that mainly eats squid, and does this in small pods of typically 1 to 4 members. It is preyed upon by the killer whale and large sharks such as the great white shark. When startled, the whale can eject a cloud of red-brown fluid, similar to a squid. Most of what is known of the whale comes from beached individuals, as sightings in the ocean are rare. Many of these stranded whales died from parasitic infestations or heart failure.
Hm. Given how much my Tumblr notes have been sliding downhill, I might as well start to dial back on Tumblr in general. I get so much more traffic on other websites that I guess I might as well spend more energy on those places rather than here where “the algorithm” or whatever isn’t working in my favor. I dunno, we’ll see.
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