


Species Profile
Bicolor Blenny
Ecsenius bicolor
Blenniespeaceful
Adult size
4″
Minimum tank
30 gal
Temperature
72–82°F
pH
8.1–8.4
Schooling
Solitary OK
Water level
bottom
Diet
Algae, marine herbivore pellets, frozen mysis
Notes
Front half deep blue, back half burnt orange. Perches in rock holes and pops out to graze. Mostly peaceful but occasionally nips coral polyps, not strictly reef-safe.
Compatible Tankmates
Best tank mates for Bicolor Blenny
Every species below passes the compatibility engine when paired with Bicolor Blennyin a suitably sized tank. Verdicts come from the same rules the builder uses — click a card to see that species' own care profile and its tank mates in turn.

Ocellaris Clownfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Blue-Green Chromis
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Royal Gramma
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Firefish Goby
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Yellow Tang
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Percula Clownfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Maroon Clownfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Tomato Clownfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Yellowtail Damselfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Three-Stripe Damselfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Blue Hippo Tang
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Powder Blue Tang
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Photo: Brian Gratwicke / Wikimedia Commons · Source · CC-BY-2.0