Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Gobiidae
(Gobies) > Sicydiinae
Etymology: Stiphodon: Greek, stiphos, -eos, -oys = mass + Greek, odous = teeth (Ref. 45335); hydoreibatus: From the Greek hydor, meaning water, and oreibates, meaning mountain climber, this alludes to the ability of the species to ascend waterfalls. The name is treated as a noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal; amphidromous. Tropical
Oceania: Samoa Archipelago and Futuna (Ref. 87775).
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 2 - ? cm
Max length : 3.0 cm SL male/unsexed; (Ref. 32995); 2.7 cm SL (female)
Morphology | Morphometrics
(total): 7 - 8;
soft rays: 10. Second dorsal fin with 9 segmented rays, first dorsal din with spines 3 and 4 filamentous in males; pectoral fin usually with 14 rays; scales extend ventral to first dorsal fin and usually widely spaced anteriorly; predorsal midline usually naked in males and with few cycloid scales anterior to first dorsal fin origin in females; rakers absent from inner edge of outer gill arch; males with a dusky ring on pelvic disk, dorsal to midline and on caudal peduncle with 2 to 4 rows of whitish spots; females with dusky lateral bands, not blackish.
Occurs in clear, swift streams, sometimes close to the sea. Collected also above a waterfalls.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Watson, R.E., 1999. Stiphodon hydoreibatus, a new species of freshwater goby from Samoa (Teleostei: Gobiidae). Ichthyol. Explor. Freshwat. 10(1):89-95. (Ref. 32995)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
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].
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .