Fork tail Blenny not Eating

HighDefAquaria

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Hello I have had this Blenny for 3 weeks and cannot get it to eat. It’s starting to waste away. The fish is not showing any stress from aggression and no fish are picking on it. I’ve tried adding live pods/roe/calanus/LRS/ chroma boost TDO/ Vitalis pellets/ Nori.

Any recommendations would be appreciated.
20260501_145318_2C658138-F314-4278-AF99-BFCFDD7B455F.png
 
Hello I have had this Blenny for 3 weeks and cannot get it to eat. It’s starting to waste away. The fish is not showing any stress from aggression and no fish are picking on it. I’ve tried adding live pods/roe/calanus/LRS/ chroma boost TDO/ Vitalis pellets/ Nori.

Any recommendations would be appreciated.
20260501_145318_2C658138-F314-4278-AF99-BFCFDD7B455F.png

Tough to see under blue lights, but it seems very thin. Fish don’t have good fat reserves, so 3 weeks without food may be too much for it to survive. Starving fish use their livers for energy, and that damage just isn’t repairable.

If you’re sure the tank is stable (if other fish and invertebrates are doing well) then the fault lies with the fish itself. It could have cyanide damage from collection, or some internal issue like a blockage.

Unlikely to work, but you could try live baby brine shrimp…..
 
1777677691355.jpeg


I remember my Blenny ate rather small foods. Have you tried the small frozen fish eggs, to see whether you get any feeding response?
 

HOW MUCH DOES A FISH’S FEEDING REQUIREMENTS AFFECT YOUR STOCKING DECISIONS?

  • A lot! - I avoid fish that require frequent or specialized feeding

    Votes: 8 23.5%
  • Quite a bit, but an automatic feeder can change my answer

    Votes: 5 14.7%
  • It depends on whether my nutrient export can handle it

    Votes: 5 14.7%
  • It depends on how badly I want the fish

    Votes: 10 29.4%
  • Not much. I’m willing to adjust my routine

    Votes: 9 26.5%
  • Not at all. Feeding demands don’t limit my stocking choices

    Votes: 5 14.7%
  • I usually learn about the demanding feeding schedule after buying the fish!

    Votes: 2 5.9%
  • I haven’t really considered this before

    Votes: 3 8.8%
  • Something else (see my comments in the thread)

    Votes: 1 2.9%
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