A new species of Pachycara is described from the Rainbow hydrothermal vent field (Mid-Atlantic Ridge, 36°13′N; 33°54′W). Pachycara saldanhai n. sp. is closely related to Pachycara thermophilum Geistdoerfer, 1994, from which it differs in having a lateral line with two branches, and a higher interorbital width to head length ratio, as well as higher vertebral, dorsal- and anal-fin rays counts.

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