Slender in shape, the body of the Bluegill bully is much more flexible than other bullies and is brown-black to sandy in colour. The scales have a light centre and dark rim. The mouth is blunt with a very upturned, protruding lower jaw and the face has black sports and a bright blue gill membrane. This fish has seven dorsal filaments. Males have an orange dorsal. Often reaches 5-6cm in length with the largest being 9.3cm.
- Scientific Name: Gobiomorphus hubbsi
- Habitat: Found throughout NZ in intermittent sites, but common where found, the Bluegill bully habitates fast-flowing, gravelly rivers and less often, streams.
- Tank Age/Maturity: Minimum recommended tank size footprint of 60cm x 30cm per fish..
- Threatened Species: N/A
- Marine Stage: Yes