Definition that contains sea bottom
- feather star free-swimming stalkless crinoid with ten feathery arms; found on muddy sea bottoms
- gurnard bottom-dwelling coastal fishes with spiny armored heads and fingerlike pectoral fins used for crawling along the sea bottom
- groundfish fish that live on the sea bottom (particularly the commercially important gadoid fish like cod and haddock, or flatfish like flounder)
- phoronid hermaphrodite wormlike animal living in mud of the sea bottom
- bottom fish fish that live on the sea bottom (particularly the commercially important gadoid fish like cod and haddock, or flatfish like flounder)
- comatulid free-swimming stalkless crinoid with ten feathery arms; found on muddy sea bottoms