Description Both species can grow to . P. virens can weigh up to and P. pollachius can weigh up to . P. virens has a strongly defined, silvery lateral line running down the sides. Above the lateral line, the colour is a greenish black. The belly is white, while P. pollachius has a distinctly crooked lateral line, grayish to golden belly, and a dark brown back. P. pollachius also has a strong underbite. It can be found in water up to deep over rocks and anywhere in the water column.
Description Both species can grow to . P. virens can weigh up to and P. pollachius can weigh up to . P. virens has a strongly defined, silvery lateral line running down the sides. Above the lateral line, the colour is a greenish black. The belly is white, while P. pollachius has a distinctly crooked lateral line, grayish to golden belly, and a dark brown back. P. pollachius also has a strong underbite. It can be found in water up to deep over rocks and anywhere in the water column.