Teleostei (teleosts) >
Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Amblyeleotris: Greek, amblys = darkness + The name of a Nile fish, eleotris (Ref. 45335); masuii: Named after Mr. M. Masui who collected the type specimens..
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 12 - 35 m (Ref. 90102). Subtropical
Southwest Pacific: Okinawa-jima, Ryukyu Islands, Okinawa Prefecture (Japan).
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 11.0 cm SL male/unsexed; (Ref. 48637); 6.1 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 7; Dorsal soft rays (total): 13; Anal spines: 1; Anal soft rays: 13. Characterized by pale grey color; ventral surface of body whitish; four brown bars on body; head with irregular brown reticulations and in pale spaces between bars; brown bar across operculum; narrow brown bar under eye; narrow brown band behind eye; head with scattered blue spots/streaks; pelvic fins united by low membrane at base of fins; without median predorsal scales; side of nape with scales extending forward above middle of opercle; longitudinal scale series 92-97; greatest depth of body 7.1-8.5 in SL; lanceolate caudal fin, longer than head length (Ref. 90102).
Inhabits coastal to outer reef sand slopes to 40 meters depth (Ref. 48637). Specimens collected from sandy bottom at 35 m depth (Ref. 26157).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Aonuma, Y. and T. Yoshino, 1996. Two new species of the genus Amblyeleotris (Pisces: Gobiidae) from the Ryukyu Islands, Japan. Jap. Ichthyol. Res. 43(2):161-168. (Ref. 26157)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201): 20.6 - 29, mean 27.9 °C (based on 108 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00333 - 0.01504), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
![Image of Amblyeleotris masuii (Masui\](/images/thumbnails/jpg/tn_Ammas_u0.jpg "Image of Amblyeleotris masuii (Masui\")
