Holocéphales (chimères) (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); argiloba: argos (Gr.), white; lobos (Gr.), rounded projection, referring to distinct white posterior margin of first dorsal fin (See ETYFish).
More on authors: Last, White & Pogonoski.
Taxonomic Remarks
Close to Chimaera phantasma Jordan & Snyder, 1900. Specimens collected off New Caledonia and Indonesia could be conspecific (Ref. 76966).
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathydémersal; profondeur 370 - 520 m (Ref. 76966). Deep-water; 18°S - 29°S, 113°E - 119°E (Ref. 76966)
Eastern Indian Ocean: off Northwest Australia. Questionably off Indonesia and New Caledonia.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 91.2 cm TL mâle / non sexé; (Ref. 76966); 87.7 cm TL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
This species is distinguished from its congeners by the following characters: snout moderately long; skin relatively thick, non-deciduous; color uniformly silvery greyish dorsally and laterally, paler ventrally; preopercular and oral lateral line canals usually not sharing a common branch; long dorsal spine, longer than first dorsal fin; structure of the CO1 gene (Ref. 76966).
Body shape (shape guide): elongated.
Caught over the upper continental slope (Ref. 76966).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Last, P.R., W.T. White and J.J. Pogonoski, 2008. Chimaera argiloba sp. nov., a new species of chimaerid (Chimaeriformes: Chimaeridae) from Northern Australia. In Last, P.R., White, W.T. & Pogonoski, J.J. (eds.): Descriptions of New Australian Chondrichthyans. CSIRO Marine and Atmospheric Research Paper no. 22. (Ref. 76966)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 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). |
Niveau trophique (Réf. 69278) |
3.7 ±0.6 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Faible, temps minimum de doublement de population : 4,5 à 14 années (Deepwater species with few large eggs.). |
Vulnérabilité de la pêche (Ref. 59153) |
High vulnerability (59 of 100). 🛈 |