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Perciformes/Serranoidei (Groupers) >
Serranidae (Sea basses: groupers and fairy basslets)
Etymology: Chelidoperca: Greek, chelidon, -onos = swift, as black as a swift + Greek, perke = perch (Ref. 45335); pollux: Name 'pollux' from a star in the Gemini constellation, also known as the brother of the star 'Castor', in reference to its relationship with the morphologically most similar congener C. flavimacula, distributed in the Andaman Sea. A noun in apposition.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin démersal; profondeur 100 - 150 m (Ref. 137845). Tropical
Western Central Pacific: Vietnam.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 7.2 cm SL mâle / non sexé; (Ref. 137845)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 10; Rayons mous dorsaux (Total) : 10; Épines anales: 3; Rayons mous anaux: 6. This species is distinguished from its congeners by the following set of characters: pored lateral-line scales 43 or 44; scale rows between lateral line and base of 6th dorsal-fin spine 3; subopercular serrae 24-26; interorbital scales just reaching level of mid-orbit; scales on ventral surface of lower jaw extending anteriorly onto posterior portion of dentary; a longitudinal orange stripe from posterior margin of orbit to caudal-fin base (not retained as prominent dark marking in preserved specimens); anal fin with 9-11 relatively large yellow spots (not retained in preserved specimens); body depth at pelvic-fin origin 23.5-24.1% of SL; head length 35.6-36.3% of SL; orbit diameter 11.0-11.7% of SL; postorbital length 17.9-18.8% of SL; and pectoral-fin length 24.7-26.4% of SL (Ref. 137845).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Matsunuma, M., T.A Hoang, K. Tachihara, H. Hirasaka and H. Motomura, 2024. Chelidoperca pulchella and C. pollux, two new perchlet species (Serranidae) from the northwestern Pacific Ocean. Ichthyol. Res. 72:38-54. (Ref. 137845)
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01072 (0.00509 - 0.02256), b=3.06 (2.89 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.5 ±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 (23 of 100). 🛈 |