Photos of Saltwater Blennies

  • 01 of 16

    Lawnmower Blenny's (Salarias fasciatus)

    Lawnmower Blenny (Salarias fasciatus)
    Lawnmower Blenny (Salarias fasciatus). Eric Weber

     The Lawnmower Blenny's (Salarias fasciatus) name pretty much says it all. This Blenny is the king of algae eatters in the marine aquarium hobby. The Lawnmower Blenny devours Green Hair Algae at a fantastic rate in an aquarium. It is also known as: Algae Blenny, Jeweled Rockskipper Blenny, Sailfin Blenny, Jeweled Blenny and Rock Blenny.

    This Blenny is a favorite with saltwater aquarists. A terrific algae eating fish, this Blenny will entertain you all day long as it plows through patches of algae...MORE and flits from rock to rock in an aquarium.

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  • 02 of 16

    Peacock Blenny (Blennius Pavo)

    Peacock Blenny (Blennius Pavo)
    Peacock Blenny (Blennius Pavo). Burak Erses

    In the wild, the Peacock Blenny (Blennius Pavo) is found on the eastern Atlantic coast from France to Morocco; also in the Mediterranean and Black seas and in the Suez Canal. It reaches a length of about 5".

    Thinking about adding a Blenny to your tank? See the Saltwater Aquarium Fish Compatibility Chart.

     

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  • 03 of 16

    Horned Blenny (Hypsoblennius exstochilus)

    Horned Blenny (Hypsoblennius exstochilus)
    Horned Blenny (Hypsoblennius exstochilus). Gina Gatto

    The Horned Blenny (Hypsoblennius exstochilus) originates in the Caribbean Ocean and reaches a maximum length of about 2.25". This Blenny is a herbivore, feeding on algae. The Horned Blenny is reef tank safe and gets along well with most other fish.

     

     

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  • 04 of 16

    Red Spotted Blenny (Blenniella chrysospilos)

    Red Spotted Blenny (Blenniella chrysospilos)
    Red Spotted Blenny (Blenniella chrysospilos). Joanne Hill

    The Red Spotted Blenny (Blenniella chrysospilos), also known as the Orange Spotted Blenny attains a length of about 5" and is found in the Western Indian Ocean, Micronesia, and Hawaii.

    This Blenny is common in the surf zone living in empty worm snail tubes

     

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  • 05 of 16

    Bullethead Rockskipper Blenny (Blenniella gibbifrons)

    Bullethead Rockskipper Blenny (Blenniella gibbifrons)
    Bullethead Rockskipper Blenny (Blenniella gibbifrons). Keoki and Yuko Stender

    The Bullethead Rockskipper Blenny (Blenniella gibbifrons) is common on shallow reefs, living in empty vermetid tubes. Their base color is green in females and gray with reddish brown in males. It attains a length of 5 inches.

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  • 06 of 16

    Ewa Fangblenny (Plagiotremus ewaensis)

    Ewa Fangblenny (Plagiotremus ewaensis)
    Ewa Fangblenny (Plagiotremus ewaensis). Keoki and Yuko Stender

    The Ewa Fangblenny (Plagiotremus ewaensis) is endemic to Hawaii and has an elongated orange brown body with two neon blue stripes and clear orange fins. This fish lives in vermetid snail tubes and pretends to be a cleaner wrasse and bites chunks out of other fishes. It attains 4 inches in length.

     

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  • 07 of 16

    Gosline's Fangblenny (Plagiotremus gosline)

    Gosline's Fangblenny (Plagiotremus goslinei)
    Gosline's Fangblenny (Plagiotremus goslinei). Keoki and Yukos Stender

    The Gosline's Fangblenny (Plagiotremus gosline) lives in vermetid snail tubes and pretends to be a cleaner wrasse, biting chunks out of other fishes. It attains 4 inches in length.

    The Gosline swims like a cleaner wrasse with a bouncing action to attract unwary fish which are then bitten, the sharp incisors taking a chunk of flesh.  It is endemic to Hawaii.

     

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  • 08 of 16

    Marbled Blenny (Entomacrodus marmoratus)

    Marbled Blenny (Entomacrodus marmoratus)
    Marbled Blenny (Entomacrodus marmoratus). Keoki and Yukos Stender

    The Marbled Blenny (Entomacrodus marmoratus)  is endemic to Hawaii and is common in the intertidal zone. It has been observed on exposed rocks at night, possibly grazing upon algae. It attains 6 inches in length.

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  • 09 of 16

    Seaweed Blenny (Parablennius marmoreus)

    Seaweed Blenny (Parablennius marmoreus)
    Seaweed Blenny (Parablennius marmoreus). G. Gatto

     Seaweed Blennies of various species are found in tropical Atlantic and Indo-Pacific waters.

    This Blenny can help control nuisance microalgae in an aquarium. It spends most of its time sitting on the substrate, not bothering its tank mates. It may be aggressive towards same species.

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  • 10 of 16

    Male Shortbodied Blenny (Exallias brevis)

    Male Shortbodied Blenny (Exallias brevis)
    Male Shortbodied Blenny (Exallias brevis). Keoki Stender

    The Shortbodied Blenny (Exallias brevis) has a deep body with brown spots, red in males. Feeds and lays yellow eggs upon Lobe Coral or Porkchop Coral. Attains 6 inches.

    Due to its specific diet of small polyp stony coral in the wild, the Shortbodied Blenny (Exallias brevis) is not recommended for hobby aquariums. In the off chance that it can be coaxed into eating Mysid Shrimp or Brine Shrimp, this Blenny will live peacefully with its tank-mates.

     

     

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  • 11 of 16

    Hawaiian Triplefin Blenny (Enneapterygius atriceps)

    Hawaiian Triplefin Blenny (Enneapterygius atriceps)
    Hawaiian Triplefin Blenny (Enneapterygius atriceps). Keoki Stender

     The Hawaiian Triplefin Blenny (Enneapterygius atriceps) is endemic to Hawaii and commonly found on reefs with algal growth but difficult to see. Only 1 inch long, the males are reddish with a dark head, females green with light blotches.

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  • 12 of 16

    Scarface Blenny (Cirripectes vanderbilti)

    Scarface Blenny (Cirripectes vanderbilti)
    Scarface Blenny (Cirripectes vanderbilti). Keoki Stender

    The Scarface Blenny (Cirripectes vanderbilti) is endemic to Hawaii and very common on shallow reefs but darts into holes when approached. This Blenny is dark brown with red eye ring and lines on the head and attains 4 inches in length.
     

     

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  • 13 of 16

    Browncheek Blenny (Acanthemblemaria crockeri)

    Browncheek Blenny (Acanthemblemaria crockeri)
    Browncheek Blenny (Acanthemblemaria crockeri). Keoki Stender

    The Browncheek Blenny (Acanthemblemaria crockeri) is endemic to the Gulf of California,

    is a carnivorous fish that inhabits empty worm or bivalve shells or barnacles in the wild.

     

     

     

     

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  • 14 of 16

    Barnacle Blenny (Acanthemblemaria macrospilus)

    Barnacle Blenny (Acanthemblemaria macrospilus)
    Barnacle Blenny (Acanthemblemaria macrospilus). Keoki Stender

    The Barnacle Blenny (Acanthemblemaria macrospilus) is a carnivorous fish that inhabits empty worm or bivalve shells or barnacles in the wild. It inhabits the waters of Southern Baja California to Acapulco and the Revillagigedos and attains a length of 2.5 inches.

     

     

     

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  • 15 of 16

    Gargantuan Blenny (Cirripectes obscurus)

    Gargantuan Blenny (Cirripectes obscurus)
    Gargantuan Blenny (Cirripectes obscurus). Keoki Stender

    The Gargantuan Blenny (Cirripectes obscurus) is endemic to Hawaii. Most are herbivorous, using comb-like teeth to graze upon algal turfs but Plagiotremus are carnivorous, with large incisors that take chunks of flesh from unwary fish and the occasional diver. Many species are cryptic or inhabit the surge zone. Hawaiians called them Pao'o. It attains a length of 8".

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  • 16 of 16

    Lizard Triplefin (Crocodilichthys gracilis)

    Lizard Triplefin (Crocodilichthys gracilis)
    Lizard Triplefin (Crocodilichthys gracilis). Keokui Stender

    The Lizard Triplefin (Crocodilichthys gracilis) is endemic to the Gulf of California. It is common on rocky reefs and dropoffs and attains a length of 2.5 inches.