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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Exyrias: Derived from Greek, xyreo = to shave (Ref. 45335).
More on author: Smith.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien rifbewoner; diepte 1 - 30 m (Ref. 90102). Tropical; 30°N - 30°S
Indo-West Pacific: East Africa to Samoa, north to Yaeyama Islands, south to Fiji.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 15.0 cm SL mannelijk / geslacht onbekend; (Ref. 48637)
Dorsale stekels (totaal) : 7; Dorsale zachte stralen (totaal) : 10 - 12; Anale stekels: 1; Anale zachte stralen: 9 - 10; Wervels: 26. Dorsal half of body brown, ventral half yellow, with 7-8 dark brown bars. Small silvery white spots on cheeks and opercula. Predorsal scales 8 or 9. Usually, spines on 1st dorsal fin elongated into filaments with the 3rd and 4th typically longest; spine of 2nd dorsal fin with red and white alternating bands, spots on rays and membrane. Cycloid scales only on nape and isthmus. Cheeks and opercula fully scaled. Teeth small and tightly packed in jaws. Depth of body about 3.6-3.9 in SL (Ref. 90102).
A territorial species that inhabits lagoon and seaward reefs (Ref. 9710, 48637). Found over silty bottoms near or under overhanging corals. Feeds by sifting the sediment through its gill rakers (Ref. 1602).
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 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel; Aquarium: Commercieel
Tools
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Estimates based on models
Preferred temperature (Ref.
123201): 26.2 - 29.3, mean 28.6 °C (based on 2723 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00397 - 0.01320), b=3.06 (2.90 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.8 ±0.30 se; based on food items.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 88.7 [47.7, 165.5] mg/100g; Iron = 0.717 [0.373, 1.276] mg/100g; Protein = 18.3 [16.3, 20.0] %; Omega3 = 0.134 [0.064, 0.222] g/100g; Selenium = 23.6 [13.5, 44.1] μg/100g; VitaminA = 117 [31, 370] μg/100g; Zinc = 1.84 [1.26, 2.67] mg/100g (wet weight);
