black ghost knifefish in aquarium, apteronotus albifrons

actinopterygii animal apteronotus aquarium atlantic bahamas black blackghost caribbean coral equetus exotic fauna fish fishes florida freshwateraquarium freshwaterfish gulf jack jackknifefish knife knifefish lanceolatus life marine mexico natural nature ocean oddballfish one perciformes reef reefs sciaenidae sea subtropical swim tropic tropical tropicalaquariumfish tropicalfish water white wild wildlife