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); compacta: Latin for stocky or stubby, referring to its “stubby body, short tail and massive head”. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 595 - 655 m (Ref. 123898). Deep-water
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Southern Indian Ocean: French Southern and Antarctic Lands, off Amsterdam I.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 84.3 cm TL (female)
Morphology | Morphometrics
This species is distinguished from its congeners by the following set of characters: massive head with a short snout; trunk stocky and relatively long 44% BDL, short tail with second dorsal fin base 72% BDL; pelvic fin long, its anterior margin 26% BDL; caudal fin dorsal origin slightly posterior to caudal fin ventral origin; skin firm, non-deciduous; preopercular and oral lateral line canals sharing a common branch; specifc CO1 and NADH2 sequences. Colouration: brown color with yellow blotches on body both on both fresh and preserved specimen (Ref. 123898).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Iglésias, S.P., J.M. Kemper and G.J.P. Naylor, 2021. Chimaera compacta, a new species from southern Indian Ocean, and an estimate of phylogenetic relationships within the genus Chimaera (Chondrichthyes: Chimaeridae). Ichthyol. Res. Online (Ref. 123898)
IUCN Red List Status (Ref. 125652)
Threat to humans
CountriesFAO areasEcosystemsOccurrencesIntroductionsStocksEcologyDietFood itemsFood consumptionRation
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82804
= No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00309 (0.00126 - 0.00759), b=3.10 (2.89 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.7 ±0.6 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 few large eggs.).
Fishing Vulnerability (Ref. 59153
): Moderate to high vulnerability (54 of 100).