| Family | Scientific Name | Author | Year | Common Name |
| Syngnathidae | Hippocampus erectus | Perry | 1810 | Lined Seahorse |
Hippocampus erectus
Unique Characters: Head and body pigmentation in the form of blotches, streaks, and lines. Snout length 0.33-.46 of head length.
Similar Species: Longsnout Seahorse Hippocampus reidi. Head and body pigmentation in the form of distinct dark round spots of varying sizes. Snout length 0.41-0.49 of head length.
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