Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Gobiidae
(Gobies) > Gobiinae
Etymology: Mahidolia: From a Thai word, mahidol fish; also an university in Bangkok.
Environment / Climate / Range
Marine; brackish; reef-associated; depth range 5 - 25 m (Ref. 90102), usually 5 - 20 m (Ref. 37816). Tropical; 32°N - 20°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.0 cm TL male/unsexed; (Ref. 9710)
soft rays: 9. Characterized by generally pale grey to yellowish body color; about six slightly diagonal bands on body; head with orange spots; usually with one or more black spots on first dorsal fin; variable coloration of fins; first dorsal fin, fan like; united pelvic fins, frenum present; longitudinal scale series 33-37; head without scales; greatest depth of body 3.9-4.4 in SL; rounded caudal fin, about equal to head length (Ref. 90102).
Indo-Pacific: East Africa south to Delagoa Bay, Mozambique (Ref. 2798) and east to the Society Islands, north to southern Japan (?), south to northern Australia and Samoa.
Occurs in silty coastal bays (Ref. 9710). Enters estuaries (Ref. 4343) and freshwater tidal zone habitats (Ref. 12693). Found on muddy bottom at the base of the reef at Toguan Bay, Guam. Uses the burrow of a mottled brown alpheid prawn with two or more short white saddles or spots. Lives coastal sand and mud habitats from shallow estuaries to moderate depths on slopes (Ref. 48637).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00407 (0.00165 - 0.01005), b=3.10 (2.88 - 3.32), based on LWR estimates for this Subfamily-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 4.0 ±0.65 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (20 of 100) .