Large-eye croaker
📖 Overview
Large-eye croaker (Johnius plagiostoma) is a ray-finned fish of the family Sciaenidae. It inhabits diadromous, migrating between freshwater and the sea waters. This species can reach a maximum total length of 10 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 10 - 12; Dorsal soft rays (total): 28 - 31; Anal spines: 2; Anal soft rays: 6 - 8. Eye large, about 30 % of head length; mental pores in 3 pairs, the first open at front of chin, separated by symphysis; teeth well differentiated into large and small in both jaws. Gill rakers slender, equal to or slightly shorter than gill filaments at angle of arch, 14 to 17 on lower limb. Second anal spine long , stiff, 40 to 50 % of head length. Swim bladder hammer-shaped, with about 13 pairs of arborescent appendages along its sides, the first entering head beyond transverse septum and sending a palmate branch to the front of pectoral arch. Sagitta (large earstone) with a tadpole-shaped impression, the head of which has its long axis lying obliquely to that of sagitta and the tail expanded and deepened as a hallow cone connected with the head by a narrow groove.: fusiform / normal.
🌀 Behaviour
Behavioural data for Large-eye croaker is currently being reviewed.
🦐 Diet
Diet information for Large-eye croaker is currently being compiled.
🥚 Reproduction
Reproduction data for Large-eye croaker is currently being compiled.
🌍 Habitat & Distribution
Marine; freshwater; brackish; benthopelagic. Tropical West Pacific: Bay of Bengal to Borneo and Java, and north to Viet Nam.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Large-eye Croaker |
| 🌍CES | smuhoun okatý |
| 🌍THA | ปลาจวดตาโต |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Corvina plagiostoma | Bleeker | 1849 | Synonym |
| Pseudosciaena plagiostoma | Bleeker | 1849 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
👥 Community & Contribute
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