Actinopteri (ray-finned fishes) > Gobiiformes
(Gobies) > Gobiidae
(Gobies) > Gobiinae
Etymology: Amblyeleotris: Greek, amblys = darkness + The name of a Nile fish, eleotris (Ref. 45335); melanocephala: From the Greek mela (black) and cephal (head), and refers to the dark coloration of head.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 20 - 62 m (Ref. 90102), usually - m (Ref. ). Subtropical; 0°C -
Asia: Ryukyu Islands, Japan, and underwater photograph from Bali, Indonesia (Ref. 36348).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 9.4 cm SL (female)
Morphology | Morphometrics
soft rays: 13;
Vertebrae: 26. Head and nape dark brown; a few yellowish spots on pectoral-fin base and opercle margin; second dorsal-fin rays I-13; proportional length of interpelvic connecting membrane relative to longest pelvic-fin ray 0.46-0.55; ventral frenum present; midline of nape naked, sides scaled above midpoint between preopercle and opercle (Ref. 36348). longitudinal scale series 92-101 (Ref. 90102).
Found in sand bottoms in 20-62 m (Ref. 90102).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Aonuma, Y., A. Iwata and T. Yoshino, 2000. A new species of the genus Amblyeleotris (Pisces: Gobiidae) from Japan. Ichthyol. Res. 47(2):113-117. (Ref. 36348)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 19.8 - 28.2, mean 26.8 °C (based on 50 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00332 - 0.01511), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.3 ±0.2 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.).
Vulnerability (Ref. 59153
): Low vulnerability (23 of 100) .