Source: Fishbase December 22, 2025.
| Family | Scientific Name | Author | Year | Common Name |
| Ammodytidae | Ammodytes dubius | Reinhardt | 1837 | Northern Sand Lance |
Ammodytes dubius
Unique Characters: Size small; body very elongate. Snout long, lower jaw strongly protruding. Single long-based dorsal fin without spines. Anal fin much shorter, about one-half as long as dorsal fin, and below rear part of dorsal fin; lacking anal spines. No pelvic fins. Caudal fin forked. Dorsal fin rays 62-67; anal fin rays 32-35. Number of lateral plicae 124-147, with a mean of 132.1. Vertebrae 68-76. Best separated from Ammodytes americanus by the number of fin rays or plicae singly or in combination with the number of vertebrae.
Similar Species: American Sand Lance, Ammodytes americanus. Dorsal fin rays 57-60; anal fin rays 28-31. Vertebrae 62-70. Number of lateral plicae 106-126, with a mean of 117.4.
Source: Fishbase December 22, 2025
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