| Family | Scientific Name | Author | Year | Common Name |
| Bothidae | Engyophrys senta | Ginsburg | 1933 | Spiny Flounder |
Engyophrys senta
Unique Characters: Mouth small, maxilla not extending posteriorly beyond vertical through anterior margin of eye. Upper jaw length 19-28% head length. Spines present on interorbital ridge. Tentacles posteriorly on eyes of males and females (may decrease in length or be lost in large males). Three diffuse blotches on lateral line. Ocular-side pelvic-fin base about equal in length with that of blind-side fin, with first rays not inserted anterior to those of blind-side fin. Pectoral fin present on both sides. Body not very elongate, depth greater than or equal to 37% standard length. 4-7 very short gill rakers on lower limb of first arch. Dorsal-fin rays 74-83. Anal-fin rays 60-67.
Similar Species: Sash Flounder Trichopsetta ventralis. Mouth larger, maxilla extending posteriorly beyond vertical through anterior margin of eye (to about midpoint of eye). Upper jaw length 32-45% head length. No interorbital spines. No tentacles on eyes. Small dark spot at front end of lateral line. Dark spot in front of pectoral fin. Ocular-side pelvic-fin base about equal in length with that of blind-side fin, with first rays not inserted anterior to those of blind-side fin. Pectoral fin present on both sides. Body not very elongate, depth greater than or equal to 37% standard length. 9-11 moderately long and slender gill rakers on lower limb of first arch. Dorsal-fin rays 89-95. Anal-fin rays 69-75.
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