Traceable Species

American plaice

Plaice, Flounder

American plaice

American plaice is a commonly harvested fish along the Eastern Coast of Canada and the USA; although they can be found on both sides of the Atlantic. It is considered to be a cold water fish, with its preferred temperature ranging between -1.5°C and 5°C. It can be found inshore down to 700 m below sea level. 

The plaice is a flat fish - it has a flattened shape with both eyes are on the right side of its body. The ocean facing side of its body ranges from reddish to greyish brown with small scales, a large mouth, and a rounded tail fin. Plaice is popularly consumed pan-fried, with butter and lemon. 

American plaice

Female plaice start to spawn at approximately 11 years of age (about 45 cm in length). Males become sexually mature anywhere between three to six years of age (about 40-45 cm), depending on where they are, geographically.

Plaice spawn between April and June. Spawning and fertilization of the eggs occur near the bottom of the ocean. Once fertilized, the eggs float to the surface layer where hatching occurs. Hatching time is variable, dependent on water temperature and depth. The larvae and juvenile fish reside closer to the surface of the water and may drift a considerable distance before the young fish finally settle to the bottom. Juvenile plaice have a round body with eyes on both sides of the head, until they sink to the bottom of the ocean and morph into their flat, adult body shape. 

Food Info American plaice


Colour: Translucent when raw and white to off-white when cooked. 

Texture: Fine, moist

Flavour: Subtlety sweet

Perfect serve: American plaice is delicious when roasted with cherry tomatoes, onions and bay leaves.

Species Range
American plaice range Source:
These crabs mate at the time of maturity, which is approximately 3 years of age. Females are smaller than males; this is because the development of reproductive tissues required more energy for females, leaving less energy available for continued body growth. They grow through a process known as molting—regularly shedding their shell and growing a new, larger one. They continue to molt and grow after they have reached sexual maturity. During the breeding season, the crabs leave their borrows in a phenomenon characterized by mass mate-searching events. Once mating/fertilization has occurred, females spawns in the water. The larvae released during the rainy season develop in offshore waters and return to coastal waters five to eight weeks after larval release.
Mangrove crabs are important fishery resources in all Brazilian coast, mainly in the north and northeast where many fishermen depend upon their catch. In addition to its social and economic importance, the mangrove crab is a “keystone” species in ecosystem, they playing an important role in the processes of nutrient cycling and energy transfer.

Featured Harvester Bernie Berry

Mangrove Crab Harvester

Canavieiras, Brazil

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