- Brauer's Bristlemouth
Cyclothone braueri
- Devils Hole Pupfish
Cyprinodon diabolis
- Flying gurnard
Dactyloptena orientalis
- Sand Stargazer
Dactyloscopus tridigitatus
- Alaska blackfish
Dallia pectoralis
- rough-tailed stingray
Dasyatis centroura
- Urchin clingfish
Diademichthys lineatus
- Giant porcupinefish
Diodon hystrix
- Crinoid clingfish
Discotrema crinophilum
- Eastern gizzard shad
Dorosoma cepedianum
- Ringed pipefish
Doryrhamphus dactyliophorus