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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Trimma: Greek, trimma, -atos = something crushed (Ref. 45335); berumeni: Named after Michael L. Berumen, in recognition of his substantial contributions to our understanding of the ecology and biodiversity of Red Sea coral reefs.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin benthopélagique; profondeur 15 - 30 m (Ref. 138039). Tropical
Western Indian Ocean: Red Sea, Saudi Arabia.
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 1.4 cm SL mâle / non sexé; (Ref. 138039); 1.1 cm SL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 7; Rayons mous dorsaux (Total) : 7. This species is distinguished by the following set of characters: predorsal midline with 7-8 scales; fifth pelvic-fin ray is unbranched and 40–42% length of fourth ray; cheek and opercle are scaleless; all pectoral-fin rays unbranched; D VI + I,7; no elongate spines in dorsal fin; bony interorbital width 81–84% of pupil diameter. Colouration: body bright yellow throughout and without bars in life; iris golden-yellow with melanophores except for the golden ring around pupil and inverted golden triangle extending from ventral margin of pupil; fins are translucent with yellow-green longitudinal band in central third of dorsal fins; a thin black midlateral line from above pectoral-fin base to the caudal-fin base, visible in life and in preservative (Ref. 138039).
Body shape (shape guide): fusiform / normal; Cross section: oval.
This species inhabits caves of exposed offshore reefs, where it moves along the surface of cave roofs and walls in small groups of three to ten individuals (occasionally it is also solitary). It is usually found deep within caves, rarely seen within the first 80 cm of a cave entrance. Its habitat is similar to that of its sister species, Trimma winchi, in the Seychelles (Ryan Daly pers. comm.). Specimens were collected at depths between 15 and 30 m, only two specimens were observed shallower than 20 m, it is relatively common in caves at 30 m. Samplings and surveys were limited to 30 m, but it is likely that the species extends to greater depths. The species is observed this species exclusively on reefs with steep walls that extend well into the mesophotic (Ref. 138039).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Peinemann, V.N., L. PomboAyora, W.A. Rich, M.D. Fox and D.J. Coker, 2025. A new cave-dwelling species of Trimma (Teleostei, Gobiidae) from the Red Sea, with notes on Red Sea endemism in Trimma spp. ZooKeys 1255:77-93. (Ref. 138039)
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
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Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00477 - 0.02194), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
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).
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