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Ovalentaria/misc (Various families in series Ovalentaria) >
Pseudochromidae (Dottybacks) > Pseudoplesiopinae
Etymology: Pseudoplesiops: Greek, pseudes = false + Greek, plesios = near (Ref. 45335); occasus: Name 'occasus' from the Latin word meaning 'sunset', in reference to the red or reddish-orange body and fins, diagnostic of the new species.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin récifal; profondeur 10 - 15 m (Ref. 138052). Subtropical
Northwest Pacific: Japan.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 2.7 cm SL mâle / non sexé; (Ref. 138052)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 1; Rayons mous dorsaux (Total) : 22; Épines anales: 1; Rayons mous anaux: 13 - 14. This species is distinguished from its congeners by the following set of characters: D I, 22; A I, 13 or 14; precaudal vertebrae 11; scales in lateral series 27 or 28; predorsal scales 9-11; predorsal scales anterior to anterodorsal parietal pores 4 or 5; scales with distinct circular and radial striae (surrounding the former); dorsal- and anal-fin membranous margins deeply incised between rays; body depth moderate, its depth at dorsal-fin origin 23.6-25.2% of SL; snout moderate, its length 5.3-5.9% of SL; prepelvic length 27.6-31.6% of SL; anal-fin base length 30.2-33.3% of SL; body and all fins (except for distal edges and pectoral fin) generally red or reddish-orange when fresh; and small, dorsoventrally elongated black blotch just behind eye (Ref 138052).
Body shape (shape guide): elongated; Cross section: compressed.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Fujiwara, K., A.C. Gill, H. Endo, K. Shibukawa and H. Motomura, 2025. Taxonomic review of the dottyback genus Pseudoplesiops in Japanese waters, with descriptions of two new species (Pseudochromidae: Pseudoplesiopinae). Ichthyol. Res. 1-22. (Ref. 138052)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00447 (0.00174 - 0.01147), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.2 ±0.5 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |