Trachinotus ovatus

Bläuel ( Trachinotus ovatus )

Called The Bläuel ( Trachinotus ovatus ), also three-point long-finned Trevally or Palometa, is a species of fish of the family Carangidae ( Carangidae ), the and in the eastern Atlantic from the British Isles over the Bay of Biscay and the Mediterranean up to the coast of Angola rare in the waters off Scandinavia. The species is of minor importance in commercial fishing, but is often caught and kept in aquaculture and public aquariums.

Shape

Like all members of the genus, the body of Bläuel is high backs and sides strongly compressed. The animals reach an average length of about 35 and a maximum of 70 centimeters, the documented maximum weight is 2.8 kilograms. They are colored dark green on the upper side, with silvery belly and three to five vertically elongated spots on the front of the sideline. This is almost straight with just a slight bulge above the pectorals and has no reinforced shed at the rear end. The dorsal, anal and caudal fins have black tips. The dorsal fin consists of a front part with six solitary hard jets and a rear part with a hard - and 23 to 27 soft rays. The rear part is about as long as the anal fin, which has a hard - and 22 to 25 soft rays and are faced with the two individual hard jets. The pectoral fins are larger than the pelvic fins, but smaller than the head. The caudal fin is deeply forked. The gills Reuse has 10 to 19 spines on the upper arm and 22 to 32 on the lower arm of the first gill arch.

Way of life

Bläuel hold mainly in clear water near the shore on a sandy bottom, where they form swarms. Juveniles often at night hold on to rocky cliffs. As a dietary serving of fish, molluscs and crustaceans.

The spawn is released in the summer months. The eggs float in open water.

Swell

• Description at the Institute of Biology of the Southern Seas ( National Academy of Sciences of Ukraine )
• Bläuel on Fishbase.org (English)