| NOUN | animal | stickleback, prickleback | small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship |
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| Meaning | small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research. | |
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| Synonym | prickleback | |
| Member of | Gasterosteidae, family Gasterosteidae | sticklebacks |
| Narrower | ten-spined stickleback, Gasterosteus pungitius | Confined to rivers |
| three-spined stickleback, Gasterosteus aculeatus | Of rivers and coastal regions | |
| Broader | spiny-finned fish, acanthopterygian | A teleost fish with fins that are supported by sharp inflexible rays |
| Spanish | espinoso, gasterosteidae | |
| Catalan | espinós, gasterosteid | |
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