Common names from other countries
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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Trimma: Greek, trimma, -atos = something crushed (Ref. 45335); volcana: Named for Volcanus, Roman god of fire, referring to the amber-red spots on an earthy brown background that resemble numerous small, volcanic vents on a lava field, and is suggestive of the hot-spot origins of the Comores Islands; noun in apposition..
More on author: Winterbottom.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino demersale; distribuzione batimetrica 0 - 24 m (Ref. 57687). Tropical
Distribuzione
Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri
Western Indian Ocean: Tanzania, Mozambique and the Comores Islands.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 1.9 cm SL maschio/sesso non determinato; (Ref. 57687); 1.7 cm SL (female)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 7; Raggi dorsali molli (totale) : 10 - 11; Spine anali: 9 - 11. Diagnosis: Characterized by having large spots on the head and body; moderate to well-developed interorbital and postorbital trenches; scales on the pectoral and pelvic fin bases, except on cheeks, opercles, or midline of the nape; a posterior nostril which is adnate to the eye; a fifth pelvic fin ray that is 80-9% of the fourth and is branched dichotomously twice (Ref. 57687).
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
Winterbottom, R., 2003. A new species of Trimma (Gobiidae) from the western Indian Ocean. aqua, J. Ichthyol. Aquat. Biol. 7(1):9-12. (Ref. 57687)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Estimates based on models
Preferred temperature (Ref.
115969): 26.9 - 28.9, mean 27.5 (based on 214 cells).
Phylogenetic diversity index (Ref.
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=3.02 (2.84 - 3.20), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).