Holocephali (chimaeras) >
Chimaeriformes (Chimaeras) >
Chimaeridae (Shortnose chimaeras or ratfishes)
Etymology: Hydrolagus: hydro-, combining form of hydor (Gr.), water; lagos (Gr.), hare, i.e., “water rabbit,” probably referring to three pairs of tooth plates, which tend to protrude from the mouth like a rabbit’s incisors (See ETYFish); deani: In honor of American ichthyologist Bashford Dean (1867‒1928), for his “able studies” of chimaeras (See ETYFish).
Eponymy: Dr Bashford Dean (1857–1928) was an American zoologist, ichthyologist and acknowledged expert on mediaeval armour. [...] (Ref. 128868), visit book page.
More on authors: Smith & Radcliffe.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 469 - 770 m (Ref. 9904). Deep-water
Western Central Pacific: known only from the Philippines.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 67.0 cm TL male/unsexed; (Ref. 9904); 73.0 cm TL (female)
Rare and limited to the upper slope. Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205). Biology and utilization unknown in the area (Ref. 9904).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Smith, H.M., 1912. The chimaeroid fishes of the Philippine Islands with description of a new species. Proc. U.S. Natl. Mus. 42(1899):231-232. (Ref. 5283)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
Tools
Special reports
Download XML
Internet sources