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Polymixiiformes (Beardfishes) >
Polymixiidae (Beardfishes)
Etymology: Polymixia: Greek, poly = a lot of + Greek, myxos = mucus (Ref. 45335); melanostoma: Name from Greek words 'melano' and 'stoma', meaning 'black mouth', referring to its unique black oral cavity.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin benthopélagique; profondeur 765 - 778 m (Ref. 132970). Tropical
Western Pacific: Taiwan and New Caledonia.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 15.3 cm SL mâle / non sexé; (Ref. 132970)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 4 - 5; Rayons mous dorsaux (Total) : 35 - 37; Épines anales: 4; Rayons mous anaux: 14 - 16; Vertèbres: 29. This species is distinguished from its congeners by the following set of characters: D IV-V,35-37; gill rakers on the outer face of first gill arch 3+1+6=10; scales row between dorsal-fin origin and lateral line vertically 6-8 and posteriorly 12-14; pyloric caeca 40; snout is rounded, with the surface rough and gelatinous, its tip evidently protrude anterior margin of premaxilla; ctenii on body scales arranged in wedge shape, forming three rows; fourth anal-fin spine long, 1.0-1.2 in eye diameter; dorsal-fin is long, 49.6-53.0% SL; oral-branchial cavity, not including the underside of tongue, black (Ref. 132970).
Cross section: compressed.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Fan, Y.-C., Y. Su, C.-H. Lin, C.-W. Chang and H.-C. Lin, 2024. Polymixia melanostoma, a new beardfish from the western Pacific (Teleostei, Polymixiiformes, Polymixiidae). ZooKeys 1220:105-121. (Ref. 132970)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5007 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.8 ±0.4 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Low to moderate vulnerability (34 of 100). 🛈 |