Holocephali (chimeren) (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
Ecologie
marien bathydemersaal; diepte 595 - 655 m (Ref. 123898). Deep-water
Southern Indian Ocean: French Southern and Antarctic Lands, off Amsterdam I.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 84.3 cm TL (female)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
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).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
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. 69(1):31-45. (Ref. 123898)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00282 (0.00118 - 0.00673), b=3.10 (2.89 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Deep-water species with few large eggs.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (54 of 100).
