Johnius dussumieri

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Johnius dussumieri
Sciaena osseus Ford 46.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Acanthuriformes
Family: Sciaenidae
Genus: Johnius
Subgenus: Johnius (Johnieops)
Species:
J. dussumieri
Binomial name
Johnius dussumieri
(Cuvier, 1830)
Synonyms [2]
  • Corvina dussumieri Cuvier, 1830
  • Johnieops dussumieri (Cuvier, 1830)
  • Sciaena dussumieri (Cuvier, 1830)
  • Corvina sina Cuvier, 1830
  • Johnieops sina (Cuvier, 1830)
  • Johnius sina (Cuvier, 1830)
  • Pseudosciaena sina (Cuvier, 1830)
  • Sciaena sina (Cuvier, 1830)
  • Wak sina (Cuvier, 1830)
  • Sciaena ossea Day, 1876
  • Wak osseus (Day, 1876)
  • Wak menoni Talwar & Joglekar, 1970

Johnius dussumieri, the sin croaker, Dussumier's croaker, Dussumier's silver jewfish, sharptooth hammer croaker or whiskered croaker, is a marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. This fish is found in the Indian Ocean.

Contents

Taxonomy

Johnius dussumieri was first formally described as Corvina dussumieri by the French biologist Georges Cuvier with its type locality given as Malabar in India. [3] This species is classified within the subgenus Johnieops, one of two subgenera in the genus Johnius , of which it is the type species, as Sciaena osseus. [4] However, the two subgenera may not represent monophyletic groupings. [5] Some authorities recognise Johnius sina as a valid species, [3] while others treat it as a synonym of J. dussumieri. [2] This species has been placed in the subfamily Otolithinae by some workers, [6] but the 5th edition of Fishes of the World does not recognise subfamilies within the Sciaenidae which it places in the order Acanthuriformes. [7]

Etymology

Johnius dussumieri has a specific name that honours the French merchant and voyager Jean-Jacques Dussumier on whose account of this species Cuvier based his formal description. [8]

Description

Johnius dussumieri has a deeply incised dorsal fin, the part of the dorsal fin anterior to the incision is supported by between 9 and 11 spines and the part to the rear of the incision is supported by a single spine and between 27 and 30 soft rays. The anal fin contains 2 spines and 7 soft rays. The standard length of the body is 3.2 to 4.3 times its depth. They have a blunt, rounded snout when seen from above. The teeth in the lower jaw are all the same size. The outer row of teeth in the upper jaw are enlarged but there are no very large teeth in the front of the jaw. There are no scales on the part of the dorsal fin in front of the incision. This species is greyish on the back, silvert with a golden sheen on the flanks and underside. The outer part of the spiny part of the dorsal fin is dusky with the other fins being yellowish. [5] This species has a maximum published total length of 40 cm (16 in) , although 14 cm (5.5 in) is more typical. [2]

Distribution and habitat

Johnius dussumieri is found in the Indian Ocean from Pakistan east to the north western part of Peninsular Malaysia. It is found at depths down to 40 m (130 ft) in coastal waters, including estuaries and the mouths of rivers. [1]

Utilisation

Johnius dussumieri is caught mainly as bycatch in trawl and gill net fisheries. The catch is sold fresh or dries or as fish meal. [1]

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References

  1. 1 2 3 Than Tun, M.; Raghavan, R.; Chao, L.; Akhilesh, K.V. & Mohanraj, G. (2020). "Johnius dussumieri". IUCN Red List of Threatened Species . 2020: e.T49178586A49238987. doi: 10.2305/IUCN.UK.2020-1.RLTS.T49178586A49238987.en . Retrieved 15 May 2023.
  2. 1 2 3 Froese, Rainer; Pauly, Daniel (eds.). "Johnius dussumieri". FishBase . February 2023 version.
  3. 1 2 Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Johnius". Catalog of Fishes . California Academy of Sciences . Retrieved 16 May 2023.
  4. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Sciaenidae". Catalog of Fishes . California Academy of Sciences . Retrieved 16 May 2023.
  5. 1 2 Kunio Sasaki (2022). "Family Sciaenidae Croakers, Drums and Cobs". In Phillip C Heemstra; Elaine Heemstra; David A Ebert; Wouter Holleman; John E Randall (eds.). Coastal Fishes of the Western Indian Ocean Volume 3 (PDF). South African Institute for Aquatic Biodiversity. pp. 389–414. ISBN   978-1-990951-30-5.
  6. Kunio Sasaki (1989). "Phylogeny of the family Sciaenidae, with notes on its Zoogeography (Teleostei, Peciformes)" (PDF). Memoirs of the Faculty of Fishes Hokkaido University. 36 (1–2): 1–137.
  7. J. S. Nelson; T. C. Grande; M. V. H. Wilson (2016). Fishes of the World (5th ed.). Wiley. pp. 497–502. ISBN   978-1-118-34233-6. Archived from the original on 2019-04-08. Retrieved 2023-05-16.
  8. Christopher Scharpf & Kenneth J. Lazara, eds. (9 March 2023). "Series Eupercaria (Incertae sedis): Families Callanthidae, Centrogenyidae, Dinopercidae, Emmelichthyidae, Malacanthidae, Monodactylidae, Moronidae, Parascorpididae, Sciaenidae and Sillagidae". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Archived from the original on 17 February 2022. Retrieved 16 May 2023.