noun
blue poison dart frog
Refers specifically to Dendrobates azureus, a bright blue poison dart frog native to Suriname. Used in herpetology and pet trade contexts.
コバルトヤドクガエルは鮮やかな青色が特徴です。
The blue poison dart frog is characterized by its vivid blue color.
この水槽にはコバルトヤドクガエルが三匹います。
There are three blue poison dart frogs in this tank.
General term for poison dart frogs; コバルトヤドクガエル is a specific species within this group.
From コバルト (cobalt, referring to the frog's blue color) + 矢毒蛙 (poison dart frog). The exact derivation is uncertain, but the name is a direct description of the species.