Famille SCIAENIDES

Acoupa Rouge / Acoupa weakfish

Jeune spécimen (50 cm environ) pris à la ligne à proximité des Mamelles (Où?) au large de Cayenne.

Ordre : Perciformes

Famille : Sciaenidae

Espèce : Cynoscion Acoupa (Lacepède, 1802)

Noms : Akoupa Rouj (créole), Acoupa weakfish

Description : Grand poisson (jusqu'à 1,2 m) présent sur tout le littoral guyanais essentiellement sur les fonds sableux et vaseux.

Les juvéniles sont abondants dans les estuaires. Les plus beaux spécimens sont pêchés aux îles du Salut.

Alimentation : Crustacés et poissons

Spécimen pris à la ligne à l'îlet la Mère présenté par Zoé (Où?).


Spécimen pris à la ligne aux Iles du Salut. La glacière est un peu petite !

English :

From Fishbase :

Max. size: 110 cm TL ; max. published weight: 17.0 kg

Environment: demersal; oceanodromous ; freshwater; brackish; marine ; depth range - 20 m

Climate: subtropical

Distribution: Western Atlantic: Panama to Argentina.


Morphology: 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.


Biology: 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.

 

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Marie-Jeanne / Ground Croaker

Spécimen (20 cm) pris à la ligne sur la Montsinéry (Où?).

Ordre : Perciformes

Famille : Sciaenidae

Espèce : Bairdiella ronchus (Cuvier, 1830)

Noms : Ground croaker, Marie-Jeanne

Description : poisson des eaux littorales saumâtres présent de la mer des Caraïbes au nord du Brésil.

Taille commune : 25 cm

Alimentation : Crustacés, céphalopodes, vers, poissons.

English :

From Fishbase :

Max. size: 35.0 cm TL
Environment: demersal; brackish; marine; depth range 16 – 40 m
Climate: tropical; 29°N -
Distribution:
Gazetteer Western Atlantic: Caribbean Sea southward to Brazil.
Morphology: Dorsal spines (total): 11 - 11; Dorsal soft rays (total): 21 - 26; Anal spines: 2; Anal soft rays: 7 – 9. Colour greyish above, silvery below. Faint dark streaks on sides, oblique above, longitudinal below lateral line. Dorsal and caudal fins greyish with dark margin, anterior part of anal fin speckled. Mouth subterminal and oblique. Chin without barbel but with 5 pores. Preopercle serrated with few strong pines at angle. Second anal-fin spine very strong, as long as first soft ray. Gas bladder with 2 chambers, the anterior one yoke-shaped without appendages, the posterior one simple, carrot-shaped. Lapillus (small earstone) enlarged, more than half of sagitta (large earstone).
Biology: Found in coastal waters, over muddy and sandy bottoms. Feeds on fishes and crustaceans. Oviparous. Important food fish.

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Guyanan croaker

Spécimen (15 cm) pris sur la Comté (Où?).

Ordre : Perciformes

Famille : Sciaenidae

Espèce : Pachypops fourcroi (Lacépède, 1802)

Noms : Guyanan croaker

Description : Taille maxi 25 cm. Habitant des eaux douces des Guyanes au Brésil.

Alimentation : poissons

English :

From Fishbase :

Max. size: 25.0 cm TL
Environment: benthopelagic; freshwater
Climate: tropical
Distribution:
Gazetteer South America: Guyana to Brazil.
Biology: Inhabits estuaries but mainly in streams where it may be found very high beyond major waterfalls. Preys on fish. Little is known about its biology but it may form small schools.

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Akoupa Canal / Smallscale weakfish

Spécimen pris à la ligne au milieu d'un banc d'akoupa rouj près des Mamelles (Où?).

Ordre : Perciformes

Famille : Sciaenidae

Espèce : Cynoscion microlepidotus (Cuvier, 1830)

Noms : akoupa cana, akoupa doré

Description : Taille maxi 90 cm

Présent sur le littoral et les estuaires guyanais.

Habitat : Fonds vaseux à faible salinité des estuaires et de la bande côtière.

Alimentation : Crustacés et poissons

English :

From Fishbase :

Max. size: 92.0 cm TL ; max. published weight: 3,000 g
Environment: demersal; brackish; marine ; depth range - 30 m
Climate: tropical

Distribution: Western Atlantic: Venezuela to Santos, Brazil.

Morphology: Dorsal spines (total): 11; Dorsal soft rays (total): 225; Anal spines: 2; Anal soft rays: 8-10. Silvery greenish to greyish on back, whitish on belly. Tip of dorsal fin darkish. Upper rays of pectoral fins, anterior part of anal fin and caudal fin yellowish. Mouth large, oblique, lower jaw projecting. Upper jaw with a pair of large canine-like teeth at tip. Gradually increasing in size posteriorly. Chin without barbel or pore, snout with 2 marginal pores. Gas bladder with a pair of long and straight horn-like appendages. Scales very small, all cycloid (smooth) with 140 or more transverse scales above lateral line. Soft portion of dorsal fin covered with scales beyond basal half of fin.


Biology: Usually found over mud and sandy bottoms in river estuaries and in marine areas from the coastline to about 30 m depth. Marketed mostly fresh.

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Bourrugue de crique / Southern kingcroaker

Spécimen femelle (30 cm) pris à la ligne au milieu d'un banc d'akoupa rouj.

Ordre : Perciformes

Famille : Sciaenidés

Espèce : Menticirrhus Americanus (Linnaeus, 1758)

Noms : Bourrugue de crique

Description : taille maxi 50 cm

Poisson assez rare qui vit en solitaire ou en groupe jusqu'à 30 à 40 mètres de profondeur.

Tête triangulaire, queue en forme de S. Présence d'une paire de barbillon mentonnier. Coloration gris cendre.

Habitat : fonds sableux et vaseux de la côte guyanaise.

English :

From Fishbase :

Max. size: 50.0 cm TL ; max. published weight: 1,070 g
Environment: demersal; oceanodromous ; brackish; marine ; depth range - 40 m
Climate: subtropical; 41°N - 51°S

Distribution: Western Atlantic: New York to Texas, USA and Bay of Campeche to Buenos Aires, Argentina; absent in southern Florida and the Antilles.


Morphology: Dorsal spines (total): 11; Dorsal soft rays (total): 22-25; Anal spines: 1; Anal soft rays: 7-8


Biology: Inhabits coastal waters, usually over sandy-mud to hard sand bottoms. Common along beaches. Juveniles occur usually in water of lower salinity.

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Akoupa Gro Tet / South American silver croaker

Spécimen capturé à la ligne sur la Comté (Où?).

Ordre : Perciformes

Famille : Sciaenidae

Espèce : Plagioscion squamosissimus (Heckel, 1840)

Noms : Akoupa Gro Tet, akoupa riviè

Description : poisson présent dans les estuaires et les fleuves guyanais. Prédateur pouvant atteindre 70 cm.

Alimentation : Crustacés et poissons

English :

From Fishbase :

Max. size: 70.0 cm TL ; max. published weight: 4,500 g
Environment: benthopelagic; potamodromous ; freshwater
Climate: tropical; 22 - 27°C

Distribution: South America: Venezuela and Peru to Brazil.


Morphology: Dorsal spines (total): 11; Dorsal soft rays (total): 30-34; Anal spines: 2; Anal soft rays: 5-6. Vertebral column extends into caudal fin. Black spot near the base of the pectorals. Dorsal posterior margin of operculum slightly toothed.


Biology: Occupies very diverse biotopes and carries out its biological cycle in freshwater as well as in brackish water. Juveniles feed on larvae of crustaceans (especially Macrobrachium), aquatic insects and copepods. Adults prey on fish. Captured during the rainy season.

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Courbine / Whitemouth Croaker

Spécimen pris à la ligne aux Mamelles (Où?).

Ordre : Perciformes

Famille : Sciaenidae

Espèce : Micropogonias furnieri (Desmaret,1823)

Noms : Courbine, Courbine tambour, tambour rayé, Whitemouth Croaker

Description : poisson présent sur les fonds sableux et vaseux jusqu'à 60m de profondeur. Seul ou en petits groupes, ce poisson chasse ses proies en les repérant à l'aide de barbillons sensoriels. Taille : jusqu'à 60 cm.

Alimentation : Vers, crustacés et poissons

English :

From Fishbase :

Max. size: 60.0 cm SL ; max. reported age: 7 years
Environment: demersal; oceanodromous ; brackish; marine ; depth range - 60 m
Climate: subtropical; 25°N - 44°S

Distribution: Western Atlantic: Greater Antilles and from Costa Rica to Argentina (Ref. 9626). Also reported in Nicaragua.
Morphology: Dorsal spines (total): 11; Dorsal soft rays (total): 26-30; Anal spines: 2; Anal soft rays: 7-9. Body silvery with a golden cast, back greyish, with distinct oblique dark streaks along scale rows extending to much below lateral line; spinous dorsal without small dark dots.


Biology: Found over muddy and sandy bottoms in coastal waters and in estuaries where the nursery and feeding grounds are located. Forms schools. Feeding habits vary with ontogenic development and season; juveniles feed on benthic migratory crustaceans and sessile boring mollusks while adults are benthos-feeders and occasionally capture fish. Undergoes seasonal migration. An important food fish which is usually marketed fresh and salted.

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Acoupa aiguille / Green weakfish

Spécimen pris à proximité de l'îlet la Mère (Où?).

Ordre : Perciformes

Famille : Sciaenidae

Espèce : Cynoscion virenscens (Cuvier,1830)

Noms : Acoupa aiguille, Green weakfish, acoupa cambucu

Description : poisson présent sur les fonds sableux et vaseux maritimes jusqu'à 30m de profondeur et également les estuaires. Seul ou en groupes de plusieurs dizaines d'individus, ce poisson chasse des petits poissons (magisters, acoupas,...) et des crevettes. Taille : jusqu'à 95 cm pour 4 kg environ.

Ce poisson est présent du Honduras à l'argentine.

Alimentation : Crustacés et poissons

English :

From Fishbase :

FishBase name: Green weakfish
Max. size: 115 cm ; max. published weight: 3,500 g
Environment: demersal; brackish; marine; depth range 6 – 70 m
Distribution:
Gazetteer Western Atlantic: Nicaragua to Santos, Brazil.
Morphology: Dorsal spines (total): 11 - 11; Dorsal soft rays (total): 27 - 31; Anal spines: 2; Anal soft rays: 8. Greyish to brownish above, silvery below. Upper sides sometimes with inconspicuous minute dark dots. Dorsal fin dusky, its spinous portion black-edged. Soft dorsal fin with dark spots on each ray. Pectoral and pelvic fins as well as anal fin yellowish to orange. Caudal fin dusky. Inside mouth orange. Mouth large, distinctly oblique, lower jaw projecting. Upper jaw with a pair of large canine-like teeth at tip. Chin without barbels or pores. Snout with 2 marginal pores. Gas bladder with a pair of long, curved, horn-like appendages. Sagitta (large earstone) elongate, with a notch on dorsal margin. Soft portion of dorsal fin membranes unscaled except 2 or 3 rows of scales at base .
Biology: Usually found over sandy mud bottoms in coastal waters near river mouths. Adults stay in deep waters during the day and swim to the surface at night. Juveniles inhabit estuaries. Marketed fresh; its flesh is of excellent quality. Its swim bladder is being used to make glue.

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Accueil / Famille suivante : Scombridés