Klassificering / Namn
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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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bottenlevande; djupintervall 100 - 150 m (Ref. 137845). Tropical
Western Central Pacific: Vietnam.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 7.2 cm SL hane/ej könsbestämd; (Ref. 137845)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 10; Mjukstrålar i ryggfenan (totalt) : 10; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 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.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 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). |
Trofisk nivå (Ref. 69278) |
3.5 ±0.5 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (23 of 100). 🛈 |