1 Quote; Share this post. My tank only 3 ft shallow. Some are active, others reclusive. The Midas Blenny is a peaceful creature and it is considered safe for corals as well as for other invertebrates in the aquarium. While the Midas Blenny is beautifully colored, what is most striking about the fish is the unique swimming motion which closely resembles an eel. Link to post. They can be aggressive towards other Blenny species, so care should be taken when considering adding them to an already establishes tank. Aggressiveness: Non-Aggressive Diet: Omnivore Max Size: 6" Minimum Tank Size: 30 gallons Relative Care: easy Photo Courtesy of Pieces of the Ocean. She has also never nipped at any of my corals...LPS/Softies. A fish who is well into âglamour without the billâ territory with a golden yellow body and sparkling blue eyes. Blennies are hard to generalize about. ... Midas and Starry Blennies are often even more aggressive. Dian6430. It can however nip at firefish and gobies, and keeping Midas Blennies in an aquarium that is too small can bring out aggressive tendencies that are unheard of in larger tanks. Nothing is like a Midas Blenny. Generally not advise cause midas is quite aggressive unless u got a big tank with a lot of hidding place. Common names for the Midas Blenny include; Golden Blenny, Yellow Blenny and the Lyretail Blenny. Typically, the Midas Blenny will vex small planktivores and has been identified to nip at firefish and gobies. The Midas Blenny (Ecsenius midas).). Kind of sucks because I like the midas blenny so much more. Havent ever seen or heard of them being aggressive. Larger tanks are advantageous as many of the Midas Blenny's aggressive behavior traits seem to relate to a confining tank situation. Last night I added a midas blenny and bicolor blenny, without thinking much about aggression since the tank is quite large and has a lot hiding space. Sometimes, the Midas Blenny will vex small planktivores and has been known to nip at firefish and gobies. This blenny will appreciate a minimum tank of 30 gallons or larger with numerous rocks on which to perch. Many are reef-safe, but some feed on coral. The Midas Blenny is one of the most popular blennies for reef aquariums because of its beautiful yellow coloration. The Midas blenny, Ecsenius midas, is great beginner fish for a medium-sized aquarium or larger (at least 20 gallons, according to Marine Fishes and at least 30 gallons, according to Live Aquaria). Dot Dash. She/he is definitely the boss but without being nasty or aggressive toward the other fish...the others just know and don't act stupid around her! Great personality . Joined 26 Apr 2012 Posts 618 Reaction score 50 Location Pretoria - Roodeplaat. Tank Requirements & Facts. Joined 22 May 2013 Posts 1,952 Reaction score 330 Location Tsitsikamma EC. Midas Blenny in hole. The Midas blenny is an easy-to-care-for species with a deep golden color, for which it gets its name and blue accents around the eyes and fins. . Some are peaceful, others aggressive. Midas Blenny . The combination of mesmerizing tail/body movements, blends of yellow and pink hues that change with mood, sapphire eyes, weird antenna like projections on their heads, and enough personality to steal any show make the Midas Blenny ⦠Turns out I was wrong, the bicolor blenny is viciously chasing my midas blenny - even though the bicolor blenny is half the size. I am surprised it was the blenny that showed aggression, was holding my breath when the wrasse first went in and went near my clowns but theyâve been fine and mostly avoided each other, blenny was being a little bastard though. Now hv a Midas, 3 Fire Gobies and a Scopas Tang. My Midas Blenny is a model citizen in the tank! Many are colorful, others are drab. Both are awesome additions, never had midas being aggressive. 17 Apr 2018 #3 I love my midas blenny. Bigger tanks are advantageous as lots of the Midas Blennyâs aggressive habits traits appear to narrate to a confining tank scenario. One thing that can be said with certainty, however, is that the right blenny â¦