Acoupa weakfish
📖 Overview
Forms schools . Found over mud or sandy mud bottoms near mouths of rivers. Juveniles are restricted to brackish and fresh waters. Feeds on shrimps and fishes. Important food fish .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 11; Dorsal soft rays (total): 17 - 22; Anal spines: 2; Anal soft rays: 7 - 9. Body nearly uniform silvery, dark greenish above. Without conspicuous spots on side but with diffuse dark areas along base of dorsal fin and on margin of spinous dorsal fin, ventral side of head, lower margin of pectoral, pelvic, and caudal fins often yellowish orange. Inside of opercle dusky. Mouth large, oblique. Lower jaw slightly projecting. Upper jaw with a pair of large canine-like teeth at tip. Lower jaw with a row of enlarged inner-row teeth, gradually increasing in size posteriorly. Chin without barbels or pores. Snout with 2 marginal pores. Pectoral fins about equal in length to pelvic fins. Gas bladder with a pair of long, straight, horn-like appendages. Sagitta earstone thin and elongate. Soft portion of dorsal fin unscaled except 2 or 3 rows of small scales along its base (Ref 51271).: fusiform / normal.
🌀 Behaviour
Behavioural data for Acoupa weakfish is currently being reviewed.
🦐 Diet
Diet information for Acoupa weakfish is currently being compiled.
🥚 Reproduction
🌍 Habitat & Distribution
Marine; freshwater; brackish; demersal; oceanodromous ; depth range 1 - 20 m . Subtropical; 13°N - 40°S, 80°W - 34°W Southwest Atlantic: Sergipe, Brazil (Ref.
🌿 Ecology
shrimps and fishes
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Acoupa weakfish is an edible species."
- Clear, bright eyes — cloudy eyes indicate age
- Firm flesh that springs back when pressed
- Fresh ocean smell, never strong or ammonia-like
- Bright red or pink gills, not grey or brown
- Shiny, moist skin with scales tightly attached
- Cloudy or sunken eyes
- Strong fishy or ammonia odour
- Soft, mushy flesh that doesn't spring back
- Discoloured or dry flesh
⚡ Nutrition
Per 100g cooked - Source: USDA FoodData Central
| Nutrient | Amount |
|---|---|
| Protein | 19.5 g |
| Omega-3 (total) | 291 mg |
🔬 Mercury Safety
Mercury data for Acoupa weakfish has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Acoupa weakfish · Blacktail basher · Grey silk · Grey snapper · Snapper bashaw · White bashaw |
| 🌍CES | smuha akoupa |
| 🇫🇷French | Acoupa Rouge · Acoupa toeroe · Akoupa · Akoupa, Courbine, Acoupa toeroe · Courbine · Parquette |
| 🇳🇱Dutch | Schelvis |
| 🇵🇹Portuguese | Calafetão · Cambucu · Cambugu · Cambussu · Cupá · Guatupucá · Pescada Amarela · Pescada vermelha · Pescada-amarela · Pescada-cascuda · Pescada-de-escama · Pescada-dourada · Pescada-selvagem · Pescada-ticupá · Pescada-verdadeira · Pescadinha-de-alto-mar · Tacupapirema · Tacupapirerna · Ticoá · Ticupá · Tipuca · Tucupapirema |
| 🇷🇺Russian | Акоупа · Корвина-акоупа |
| 🇪🇸Spanish | Corvinata amarilla · Curvina · acoupa |
| 🇨🇳Chinese | 蘇利南犬牙石首魚 |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Cestrus acoupa | Lacepède | 1801 | Synonym |
| Cheilodipterus acoupa | Lacepède | 1801 | Synonym |
| Cynoscion maracaiboensis | Schultz | 1949 | Synonym |
| Lutjanus cayanensis | Lacepède | 1802 | Synonym |
| Lutjanus cayennensis | Lacepède | 1802 | Synonym |
| Otolithus rhomboidalis | Cuvier | 1829 | Synonym |
| Otolithus toeroe | Cuvier | 1830 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 86 records indexed .
👥 Community & Contribute
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