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Johnius macrorhynus (Lal Mohan, 1976)

Big-snout croaker
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Native range | All suitable habitat | Point map | Year 2050
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Johnius macrorhynus   AquaMaps   Data sources: GBIF OBIS
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Image of Johnius macrorhynus (Big-snout croaker)
Johnius macrorhynus
Picture by Khan, M.M.

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)
Etymology:

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

Marine; benthopelagic. Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indo-Pacific: India and Sri Lanka to the South China Sea, Borneo and the Malay Peninsula.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm SL male/unsexed; (Ref. 9772); common length : 22.0 cm SL male/unsexed; (Ref. 9772); max. reported age: 5 years (Ref. 72458)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 11; Dorsal soft rays (total): 27 - 30; Anal spines: 2; Anal soft rays: 7. Lower part of body with a golden tinge; pectoral, pelvic and anal fins yellow; a faint steel blue blotch on gill cover (Ref. 9772).

Biology     Glossary (e.g. epibenthic)

Inhabits shallow coastal waters (Ref. 9772).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Sasaki, K., 2001. Sciaenidae. Croakers (drums). p.3117-3174. In K.E. Carpenter and V.H. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Volume 5. Bony fishes part 3 (Menidae to Pomacentridae). Rome, FAO. pp. 2791-3380. (Ref. 9772)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 04 September 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
Food items
Diet compositions
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Predators
Ecology
Ecology
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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 24.9 - 29.1, mean 28.3 °C (based on 958 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00464 - 0.01241), b=3.06 (2.92 - 3.20), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.5   ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.5-0.8; tmax=5).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (22 of 100).
Price category (Ref. 80766):   Medium.