Actinopteri (ray-finned fishes) > Gobiiformes
(Gobies) > Gobiidae
(Gobies) > Gobiinae
Etymology: Cryptocentrus: Greek, kryptos = hidden + Greek, kentron = sting (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 3 - 10 m (Ref. 48637). Subtropical
Northwest Pacific: Japan and Taiwan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.0 cm TL male/unsexed; (Ref. 90102)
Morphology | Morphometrics
soft rays: 8 - 9. Body with 3 or 4 rows of white spots on body; all fins transparent with dark spots or bars forming oblique lines. A large ocellus rimmed with white line between the posterior margin of preopercle and opercle. Scales in longitudinal row 70; in transverse series 22; predorsal 3. Caudal fin rounded (Ref. 43568); further characterized by dark brown to blackish body color; white snout and jaw tips; lower side with white speckling; united pelvic fins, presence of frenum; longitudinal scale series 69-78; head without scales; greatest depth of body 4.7-5.2 in SL (Ref. 90102).
Found in silty sandy substrate with small boulders or large rubble pieces in 3-10 meters (Ref. 48637).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 25.2 - 29.3, mean 28.8 °C (based on 1211 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00575 (0.00261 - 0.01268), b=3.09 (2.91 - 3.27), 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.).
Vulnerability (Ref. 59153
): Low vulnerability (23 of 100) .