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: ancora: Name from the Latin 'ancora' meaning hooked; referring to the distinctive orange hook-shaped marking on the side of the head; an adjective.. More on author: Greenfield.
Environment / Climate / Range
Marine; pelagic-neritic; depth range 6 - 14 m (Ref. 86696). Subtropical, preferred ?
Northwest Pacific: Ryukyu Is., Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 1.4 cm SL male/unsexed; (Ref. 86696)
Morphology | Morphometrics
soft rays: 7. This species is distinguished from its congeners by following set of characters: cephalic sensory-pore system pattern group 2 (lacking only IT pore); dorsal/anal fin-ray formula 8/7; pectoral-fin rays simple; 5th pelvic-fin ray 10% of 4th; no distinct dark marks on body; scales not strongly pigmented; caudal fin with 5 irregular bands of circles of dark chromatophores crossing the fin; live or fresh specimens with a hook-shaped orange mark on side of the head (Ref. 86696).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Greenfield, D.W. and T. Suzuki, 2011. Two new goby species of the genus Eviota from the Ryukyu Islands, Japan (Teleostei: Gobiidae). Zootaxa 2812:63-68. (Ref. 86696)
IUCN Red List Status (Ref. 109396)
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
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00419 - 0.01894), b=3.07 (2.90 - 3.24), based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.0 ±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) .