Teleostei (teleosts) > Anguilliformes
(Eels and morays) > Ophichthidae
(Snake eels) > Ophichthinae
Etymology: Yirrkala: Named for its type locality Yirrkala, Caledon Bay, Gulf of Carpentaria, Queensland, Australia.; calyptra: Name from Greek word meaning veil, referring to its facial coloration; noun in apposition..
More on author: McCosker.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal. Tropical
Western Pacific: Australia (Queensland).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 35.8 cm TL male/unsexed; (Ref. 86861); 39.5 cm TL (female)
Morphology | Morphometrics
Vertebrae: 144 - 147. This species is distinguished by the following unique set of characters: head 6.3-6.6% of total length (TL); tail 46-49% of TL; dorsal fin origin is nearly above gill openings; eye behind middle of upper jaw; supraorbital pores 4; teeth are conical, minute, uniserial on jaws and posteriorly on vomer; colour yellowish, slightly darker dorsally, a distinctive black band from rear of orbit to rictus; total vertebrae 144-147; mean vertebral formula 7-75-146 (n=4) (Ref. 86861).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
McCosker, J.E., 2011. Two new Indo-Pacific species of the sand-eel genus Yirrkala (Anguilliformes: Ophichthidae). Smithiana Bulletin 13:45-50. (Ref. 86861)
IUCN Red List Status (Ref. 126983)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion