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: occasa: Name from Latin 'occaus' meaning sunset, referring to the distinctive yellow-orange broad wedge-shaped bar at the caudal-fin base on a red body; noun in apposition.
Environment / Climate / Range
Ecology
Marine; benthopelagic; depth range 14 - 20 m (Ref. 94952). Subtropical, preferred ?
Western Pacific: Palau and Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 1.0 cm SL male/unsexed; (Ref. 94952)
Short description
Morphology | Morphometrics
Dorsal
spines
(total): 7;
Dorsal
soft rays
(total): 8;
Anal
spines: 1;
Anal
soft rays: 8. This species is distinguished by the following characters: lacks all cephalic sensory-canal pores; dorsal/anal fin-ray formula 8/8; some pectoral-fin rays are branched; rudimentary or no fifth pelvic-fin ray; 5 branches in fourth pelvic-fin ray; D1 crossed by two dark bands separated by a diagonal light band, a distinct dark spot on caudal peduncle anterior to caudal fin, followed by a pale bar and a yellow-orange broad wedge-shaped bar at caudal-fin base (Ref. 94952).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Greenfield, D.W., R. Winterbottom and T. Suzuki, 2014. Eviota occasa, a new species of dwarfgoby from Palau and the Ryukyu Islands, Japan. (Teleostei: Gobiidae). J. Ocean Sci. Found. 10:11-19. (Ref. 94952)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
Age/SizeGrowthLength-weightLength-lengthLength-frequenciesMorphometricsMorphologyLarvaeLarval dynamicsRecruitmentAbundance
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00631 (0.00286 - 0.01390), 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) .