breathe through gills
21Columnaris — in a Chinook salmon Columnaris is a symptom of disease in fish which results from an infection caused by the gram negative, aerobic, rod shaped bacterium Flavobacterium columnare. It was previously known by the names of bacillus columnaris,… …
22Oligochaeta — This article is about the animal genus. For the plant genus, see Oligochaeta (plant). Oligochaeta Earthworm (Lumbricus terrestris) Scientific classification …
23branchial cleft — noun one of a series of slit openings in the pharynxes of fishes and aquatic amphibians through which water passes • Syn: ↑gill slit, ↑gill cleft • Hypernyms: ↑structure, ↑anatomical structure, ↑complex body part, ↑bodily structure, ↑ …
24List of Pokémon (320–386) — Pokémon has 646 (as of Pokémon Black and White) distinctive fictional species classified as the titular Pokémon. These creatures and entities reside throughout various locations of the fictional Pokémon universe and can be caught by humans… …
25Nudibranch — Berghia coerulescens …
26Mudskipper — Mudskippers Mudskippers in The Gambia Scientific classification Kingdom: Animalia …
27Arachnid — Taxobox name = Arachnida image width = 250px image caption = Arachnida from Ernst Haeckel s Kunstformen der Natur , 1904 regnum = Animalia phylum = Arthropoda subphylum = Chelicerata classis = Arachnida classis authority = Cuvier, 1812… …
28nudibranch — /nooh deuh brangk , nyooh /, n. a shell less, marine snail of the suborder Nudibranchia, having external, often branched respiratory appendages on the back and sides. [1835 45; < F nudibranche, equiv. to nudi NUDI + branche gill ( < L branchia… …
29Choana — Infobox Anatomy Name = Choana Latin = GraySubject = 47 GrayPage = 196 Caption = Base of skull. Inferior surface. (Choana is labeled in gray recess approximately 1/3 of the way from the top, at center.) Caption2 = Dissection of the muscles of the… …
30Crayfish — For the marine crustaceans commonly known as crayfish, see spiny lobster. Crayfish Temporal range: Mesozoic–Recent …
