Classificatie / Namen
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Carangiformes (Jacks) >
Rachycentridae (Cobia)
Etymology: Rachycentron: Greek, rhachis, -ios = spine + Greek, kentron = sting (Ref. 45335); makranesis: Named for the Makran coast that fall into the provincial jurisdiction of the Balochistan, Pakistan.
Taxonomic Remarks
The species is not yet formally described as there is no type desigation. Cautio must be exerced in the use of that name.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien rifbewoner. Tropical
Western Indian Ocean: Arabian Sea: Pakistan.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
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Max length : 7.5 cm TL (female); max. gepubliceerd gewicht: 0.00 g
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 8; Dorsale zachte stralen (totaal) : 24; Anale stekels: 2; Anale zachte stralen: 23. This species is distinguished from its congeners by the following characters: dorsal fin with eight small separated and 24 dorsal rays; anterior profile distinctly differs in terms of head length, depression and the lower jaw projection; head relatively short, rounded, depressed and somewhat pointed anteriorly; presence of a wide gap between the posterior part of the head to the first dorsal origin; pelvic fin reaching mid of the pectoral fin; pectoral fin base narrow, its length comparatively shorter than the other species; body is greenish dorsally with pallid band laterally, white bands extending from lower jaw or snout to caudal peduncle; villiform teeth on jaws, roof of mouth, and tongue (Ref. 132435).
Cross section: oval.
Food in all four stomachs examined were completely digested, but remnants of crab parts indicate that this species is an opportunistic feeder mainly feeding on the crustaceans, cephalopods and small fishes. A highly sought fish species, and is usually sold prior to auction (Ref. 132435).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Panhwar, S.K. and I. Kashani, 2024. Discovery of two new species of cobia (Pisces; Rachycentridae) inhabiting the makran coast of the northern Arabian Sea with notes on their biology and ecology. Zoologischer Anzeiger 313(2024):298-305. (Ref. 132435)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van groot commercieel belang
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00179 - 0.01015), b=3.11 (2.90 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Kwetsbaarheid van de visserij (Ref.
59153): Low vulnerability (10 of 100).
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