Polycheria josephensis, a new species of symbiotic amphipod (Crustacea, Amphipoda, Dexaminidae) from the Northern Gulf of Mexico, with notes on its ecology

A–B closeup of Polycheria josephensis sp. n. in situ in tunicin of Eudistoma hepaticum Cin situ photo of E. hepaticum D close-up of Polycheria josephensis sp. n. in situ in tunicin of Didemnum sp. E Polycheria josephensis sp. n. in situ in tunicin of Didemnum sp. Scale = 5 mm (A, B, D); 25 mm (C); 10 mm (E).