Sea louse: alternatives and connections

A species or genus in one country closely related to a species of the same genus, or a genus of the same group, in another: such speci…

A species to fresh-water fish of the Cyprinidae or Carp family. The common European species is Leuciscus cephalus; the cheven. In Amer…

Any one of several species of American food fishes, of the genus Haemulon, allied to the snappers, as, the black grunt (A. Plumieri),…

One of several species of marine gadoid fishes, of the genera Phycis, Merlucius, and allies. The common European hake is M. vulgaris;…

A division of copepod crustaceans, including numerous species parasitic on fishes.

Any one of numerous species of tropical American birds of the genus Galbula and allied genera. They are allied to the kingfishers, but…

Any one of the numerous species of birds belonging to Garrulus, Cyanocitta, and allied genera. They are allied to the crows, but are s…

Any one of numerous species of small beetles of the genus Coccinella and allied genera (family Coccinellidae); -- called also ladybug,…

Any one numerous species of singing birds of the genus Alauda and allied genera (family Alaudidae). They mostly belong to Europe, Asia…

Any one of numerous genera and species of annulose worms, belonging to the order Hirudinea, or Bdelloidea, esp. those species used in…

Any one of several species of fringilline birds of the genera Linota, Acanthis, and allied genera, esp. the common European species (L…

Any one of several small, fresh-water, cyprinoid fishes of the genera Cobitis, Nemachilus, and allied genera, having six or more barbu…

Any one numerous species of small brush-tongued parrots or lories, found mostly in Australia, New Guinea and the adjacent islands, wit…

Any one of numerous species of voracious orthopterous insects of the genus Mantis, and allied genera. They are remarkable for their sl…

Any one of numerous species of Asiatic starlings of the genera Acridotheres, Sturnopastor, Sturnia, Gracula, and allied genera. In hab…

A division of copepod Crustacea, having a sucking mouth, as the lerneans. They are mostly parasites on fishes. Called also Siphonostom…

Any one of numerous species of Asiatic finches of the genera Carpodacus, and Propasser, and allied genera, in which the male is more o…

Any one of several species of fishes of the genus Salmo and allied genera. The common salmon (Salmo salar) of Northern Europe and East…