Johnius heterolepis, Large-scale croaker : fisheries

Johnius heterolepis Bleeker, 1873

Large-scale croaker
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Johnius heterolepis   AquaMaps   Data sources: GBIF OBIS
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Image of Johnius heterolepis (Large-scale croaker)
Johnius heterolepis
Picture by Chao, N.L.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Eupercaria/misc (Various families in series Eupercaria) > Sciaenidae (Drums or croakers)
Eponymy: Rev Dr Christoph Samuel John (1747–1813) was a botanist and herpetologist and a medical missionary (1771–1813) at the Danish trading station of Tranquebar (now Tharangambadi), Tamil Nadu, not far from Madras (Chennai). [...] (Ref. 128868), visit book page.
More on author: Bleeker.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; benthopelagic. Tropical

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Indo-Pacific: Malaysia, Indonesia around the coasts of Sumatra and Java, including Singapore.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm SL male/unsexed; (Ref. 9772); common length : 12.0 cm SL male/unsexed; (Ref. 9772)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 11; Dorsal soft rays (total): 25 - 28; Anal spines: 2; Anal soft rays: 7. Greenish or bluish grey above, silvery below; fins yellowish (Ref. 9772).
Body shape (shape guide): fusiform / normal.

Biology     Glossary (e.g. epibenthic)

Inhabits shallow coastal waters (Ref. 9772).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Sasaki, K., 1992. Two new and two resurrected species of the sciaenid genus Johnius (Johnius) from the West Pacific. Jap. J. Ichthyol. 39(3):191-199. (Ref. 10084)

IUCN Red List Status (Ref. 130435: Version 2025-2)

  Data deficient (DD) ; Date assessed: 30 July 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: minor commercial
FAO - Publication: search | FishSource |

More information

Trophic ecology
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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |