Holocephali (chimaeras) >
Chimaeriformes (Chimaeras) >
Chimaeridae (Shortnose chimaeras or ratfishes)
Etymology: Chimaera: Named for the mythological creature composed of parts of multiple animals, referring to their odd mix of characteristics (See ETYFish); didierae: In honor of Dominique A. Didier (b. 1965), Millersville University (Pennsylvania, USA), for her “outstanding” contributions to the systematics of chimaeras (See ETYFish).
Eponymy: Dr Dominique Ann Didier (d: 1965) is an American marine biologist and ichthyologist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 1000 - 1100 m (Ref. 116312). Deep-water
Distribution
Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Southwestern Indian Ocean, seamount of the southern part of the Madagascar Ridge, near Walters Shoal.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.6 cm TL male/unsexed; (Ref. 116312)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Clerkin, P.J., Ebert, D.A. and J.M. Kemper, 2017. New species of Chimaera (Chondrichthyes: Holocephali: Chimaeriformes: Chimaeridae) from the Southwestern Indian Ocean. Zootaxa 4312(1):1-37. (Ref. 116312)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00331 (0.00137 - 0.00798), b=3.07 (2.87 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophic level (Ref. 69278) |
3.4 ±0.5 se; based on size and trophs of closest relatives |
Resilience (Ref. 120179) |
Low, minimum population doubling time 4.5 - 14 years (Deep-water species with large eggs and low fecundity.). |
Fishing Vulnerability (Ref. 59153) |
Low vulnerability (22 of 100). 🛈 |