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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Exyrias: Derived from Greek, xyreo = to shave (Ref. 45335); ferrarisi: Named for Carl J. Ferraris.
Eponymy: Dr Carl James Ferraris Jr (d: 1950) is an American ichthyologist and fish taxonomist who is a recognised authority on catfish. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien rifbewoner; diepte 1 - 8 m (Ref. 90102). Tropical
Western Pacific: the Philippines, Indonesia and nominal records in Vanuatu.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 11.0 cm SL mannelijk / geslacht onbekend; (Ref. 48637)
Dorsale stekels (totaal) : 7; Dorsale zachte stralen (totaal) : 10; Anale stekels: 1; Anale zachte stralen: 9; Wervels: 26. Ground color off-white; a large, circular brown spot antero-dorsal to pectoral- fin base; small, brown spots on snout, cheeks, opercula, pectoral-fin base and nape; all fins spotted. Predorsal scales 8. Cycloid scales on nape and isthmus. Cheeks and opercula fully scaled. Spines I-IV of 1st dorsal fin filamentous, III longest; characterized further by having pointed caudal fin, less than 25% SL; longitudinal scale series 31-32; depth of body 3.4-3.5 in SL (Ref. 90102).
Solitary or in pairs (Ref. 90102). Inhabits shallow, well protected bays and estuaries. On sand or mud along algae-reef margins (Ref. 48637). Specimen collected from a patch reef, 2-3 m in depth.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Murdy, E.O., 1985. A review of the gobiid fish genera Exyrias and Macrodontogobius, with description of a new species of Exyrias. Indo-Pac. Fish. (10):14 p. (Ref. 403)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Gevaar voor de mens
Harmless
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Estimates based on models
Preferred temperature (Ref.
123201): 28.2 - 29.3, mean 28.8 °C (based on 366 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5312 [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).
Trofisch niveau (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).