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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Tryssogobius: Greek, tryo, tryso = to wear away + see under Gobius; nigrolineatus: Name from Latin 'nigro' for black and 'lineatus' for line, refers to the longitudinal black line on the postorbital head and the side of the body.
More on author: Randall.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien demersaal; diepte 73 - 110 m (Ref. 75950). Tropical
Western Pacific: Ryukyu Is., Fiji and Indonesia.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 2.9 cm SL mannelijk / geslacht onbekend; (Ref. 75950)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 7; Dorsale zachte stralen (totaal) : 10; Anale stekels: 1; Anale zachte stralen: 11; Wervels: 26. This species is characterized by the following: D VI + I, 10; A I, 11; pectoral rays 18-20; diameter of eye 2.4-2.7 in HL; narrow interorbital width, 6.7-8.15 in HL; first 3 dorsal spines subequal, the longest 2.4-3.65 in SL; caudal fin rhomboid, 2.6-3.5 in SL; pectoral fins 3.4-3.6 in SL; colour light grey with a midlateral blackish line from behind eye to posterior caudal peduncle; blackish first dorsal spine, a yellow line at base of fin; second dorsal and caudal fins with 2 rows of yellow spots, anal fin with 1 row; yellow line in middle of caudal fin (Ref. 75950).
Body shape (shape guide): fusiform / normal; Cross section: oval.
Inhabits sand and rubble bottoms of outer reef slopes in 50-110 m (Ref. 90102). All specimens were collected by handnets from at depths of 73-110 m off Viti Levu, while diving with mixed-gas rebreather gear (Ref. 75950).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Randall, J.E., 2006. Three new species of the gobiid fish genus Tryssogobius from the western and South Pacific. Aqua, 11(3):105-116. (Ref. 75950)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01023 (0.00482 - 0.02174), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.1 ±0.3 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). 🛈 |