Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Gobiidae
(Gobies) > Gobiinae
Etymology: specca: Name based on the Anglo/Saxon 'specca' for speckled, referring to the heavy speckling of chromatophores over the body; noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Marine; pelagic-neritic; depth range 5 - 14 m (Ref. 95167). Subtropical
Northwest Pacific: Japan, Ryukyu Is..
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 1.2 cm SL male/unsexed; (Ref. 95167)
Morphology | Morphometrics
soft rays: 8;
Vertebrae: 26. This species is distinguished from its congeners by the following set of characters: cephalic sensory pore system pattern 1 (complete); 8/8 dorsal/anal-fin formula; body heavily sprinkled with chromatophores; upper pectoral-fin base pigmented; 4 subcutaneous body bars between anal-fin origin and caudal-fin base; occipital spot absent; pale opercular membrane; first dorsal fin sprinkled with small melanophores and chromatophores; caudal peduncle with no distinct dark spot or bar; cheek crossed by dark lines, red spots absent (Ref. 95167).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Greenfield, D.W., T. Suzuki and K. Shibukawa, 2014. Two new dwarfgobies of the genus Eviota from the Ryukyu Islands, Japan (Teleostei: Gobiidae). Zootaxa 3774(5):481-488. (Ref. 95167)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 20.5 - 26.3, mean 23.3 (based on 102 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00300 - 0.01455), 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
): 2.9 ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .