Actinopteri (ray-finned fishes) > Gobiiformes
(Gobies) > Gobiidae
(Gobies) > Gobiinae
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; non-migratory; depth range 15 - 40 m (Ref. 36803). Subtropical
Western Pacific: Japan and Indonesia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.8 cm SL male/unsexed; (Ref. 36803); 4.2 cm SL (female)
Morphology | Morphometrics
(total): 6 - 7;
soft rays: 10. Characterized by pale grey color on back, ventrally white; upper side from nape to caudal peduncle with 4-5 irregular brown blotches/saddles; head and body with scattered dark-edged orange spots; oblique black band under eye; orange spots on first and second dorsal fins; 2-3 dark spots near margin of first dorsal fin; triangular first dorsal fin, first two dorsal spines prolonged; united pelvic fins, well developed frenum present; longitudinal scale series 25-50; head without scales; cycloid scales covering body; greatest depth of body 5.0-5.6 in SL; rounded caudal fin, shorter than head length; absence of posterior oculoscapular sensory canal (Ref. 90102).
The species occurs on fine sandy bottoms and is associated with the shrimp Alpheus randalli.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Iwata, A., N. Ohnishi and T. Hirata, 2000. Tomiyamichthys alleni: a new species of Gobiidae from Japan and Indonesia. Copeia 2000(3):771-776. (Ref. 36803)
IUCN Red List Status (Ref. 125652)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 18.6 - 28.9, mean 27.1 °C (based on 72 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=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.3 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) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .