Lepidotrigla argus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Scorpaeniformes
Family: Triglidae
Genus: Lepidotrigla
Species:
L. argus
Binomial name
Lepidotrigla argus
Ogilby, 1910

Lepidotrigla argus, the long-finned sea gurnard or eye gurnard, is a species of marine, demersal ray-finned fish from the family Triglidae, the gurnards and sea robins. It is found in the Indo-West Pacific Ocean.

Taxonomy

Lepidotrigla argus was first formally described in 1910 by the Irish born Australian herpetologist and ichthyologist James Douglas Ogilby with its type localities given as between South Hill and Cape Gloucester in Queensland and Cape Bryon in New South Wales.[1] The specific name argus refers to Argus, the mythical hundred-eyed giant who was the guardian of Io, after his death his many eyes were changed into the feathers of a peacock, thought to be a reference to the vivid red or orange spot on the first dorsal fin.[2]

Description

Lepidotrigla argus attains a maximum published length of 18 cm (7.1 in).[3] There is a bright red or orange spot on the first dorsal fin.[2]

Distribution and habitat

Lepidotrigla argus is endemic to Australia where it is found from the Houtman Abrolhos Islands to Rowley Shoals in Western Australia and from Cape York south to off Disaster Bay, New South Wales,[4] and has been reported from Papua New Guinea.[3] This is a benthic species of the continental shelf, living on soft substrates at depths between 24 and 172 m (79 and 564 ft).[4]

Biology

Lepidotrigla argus has a estimated longevity of more than 6 years and the mean length at which sexual maturity was reached is 13.1 cm (5.2 in) in females and 13.5 cm (5.3 in) in males. Studies on the gonads of captured fishes suggested that long-fiined gurnards spawn in all months, however the recruitment of new individuals into the population occurs periodically. Juveniles settle into shallow nursery areas at depths between 30 and 60 m (98 and 197 ft) and when they are sexually mature they move into deeper waters between 60 and 90 m (200 and 300 ft).[5]

References

  1. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Lepidotrigla". Catalog of Fishes. California Academy of Sciences. Retrieved 20 June 2022.
  2. 1 2 Christopher Scharpf & Kenneth J. Lazara, eds. (20 June 2021). "Order Perciformes (Part 12): Suborder Triglioidei: Families Triglidae and Peristediidae". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 17 June 2022.
  3. 1 2 Froese, Rainer; Pauly, Daniel (eds.) (2022). "Lepidotrigla argus" in FishBase. February 2022 version.
  4. 1 2 "Species Lepidotrigla argus Ogilby, 1910". Australian Faunal Directory. Retrieved 20 June 2022.
  5. ↑ van der Meulen D; Gray CA; and West RJ (2008). "Understanding the biology of the long-finned gurnard: a step in developing ecosystem based fisheries management for the NSW Ocean Prawn Trawl Fishery. Presentation given at the Australian Society for Fish Biology Workshop and Conference, Sydney, Australia, 15 – 18 September 2008". New South Wales Government. Retrieved 20 June 2022.
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