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Acanthuriformes (Surgeonfishes) >
Lobotidae (Tripletails)
Etymology: Hapalogenys: Greek, hapalos = soft * Greek, geny, -yos = face (Ref. 45335); olivaceus: Name 'olivaceus' from the Latin word meaning 'olive-colored', in reference to the olive coloration of the new species.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien benthopelagisch; diepte 215 - 217 m (Ref. 138836). Tropical
Western Indian Ocean: Tanzania.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 20.5 cm SL mannelijk / geslacht onbekend; (Ref. 138836)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 11; Dorsale zachte stralen (totaal) : 14; Anale stekels: 3; Anale zachte stralen: 9; Wervels: 24. This species is distinguished from its congeners by the following set of characters: dorsal-fin rays XI,14; pored lateral-lines scales 44-45; a series of 9-10 pores along the ventral edge of the suborbital; maxilla scaly; suborbital deeply notched above the posterior end of the maxilla; second dorsal-fin ray short, 6.5-6.8 in SL; first pelvic-fin ray filamentous; body mainly uniform olive-brown with a pale area posterior to pectoral fins; and membranes of the posterior part (between spines IX-XI) of the spinous dorsal fin black (Ref. 138836).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Bagorodsky, S.V., P. Matiku and S. Reddy, 2026. A new species of Hapalogenys (Lobotiformes: Lobotidae) from the Western
Indian Ocean. Zootaxa 5760(4):467-480. (Ref. 138836)
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 geen belang
Tools
Speciale rapporten
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01862 (0.00826 - 0.04196), b=3.01 (2.81 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.8 ±0.6 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 (15 of 100). 🛈 |