A new beast approaches - Marbled Goby

DMD123

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Contributing Member Level III
Are the chopped worms still moving and triggers feeding? Or has it at least figured out dead food? That is a step if it figures out dead food. Reminds me a lot of training puffers to eat. Mine wont take pellets but they will eat some moving stuff like pieces of fish filet, krill, shrimp.
 

FishBeast

Well-Known Member
Are the chopped worms still moving and triggers feeding? Or has it at least figured out dead food? That is a step if it figures out dead food. Reminds me a lot of training puffers to eat. Mine wont take pellets but they will eat some moving stuff like pieces of fish filet, krill, shrimp.
Yes the worm segments are still moving so he strikes those no problem. He eats pellets as they float down but spits out after realizing it’s not fresh. Someone from MFK suggested 1 week fast to make it nice and hungry then try pellet again.
 

FishBeast

Well-Known Member
The Goby has bulked up. Now 7-8 inches long. Loves his cave when not hovering midwater waiting for food. I feed frozen smelt and occasional beef heart cubes. The myriad tiny white dots on the back glass are thousands of ostracods. I’ll move this fish into a bigger tank and plan to harvest some of the little crustaceans to feed my smaller fish! If I can start another colony I will share with whomever is interested.
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DMD123

Administrator
Staff member
Contributing Member Level III
Did you ever get this guy pellet trained?

I have looked at the 'water cow' goby in the past and would love to get one but havent found one of good starting size. Pet Works in Olympia had a large one about 10 -12" at one point but they were keeping it in brackish and were telling people it was brackish. I didnt think that was the case and didnt want to work at converting the fish over to freshwater. Plus I wanted a bit smaller a fish to start with, maybe like 6" or so.

Found the old picture I took from Pet Works

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FishBeast

Well-Known Member
Did you ever get this guy pellet trained?

I have looked at the 'water cow' goby in the past and would love to get one but havent found one of good starting size. Pet Works in Olympia had a large one about 10 -12" at one point but they were keeping it in brackish and were telling people it was brackish. I didnt think that was the case and didnt want to work at converting the fish over to freshwater. Plus I wanted a bit smaller a fish to start with, maybe like 6" or so.

Found the old picture I took from Pet Works

View attachment 14550
He never took to pellets unfortunately. Frozen stuff only. I’ve even threatened him with being steamed and prepared with scallions and a light soy/rice wine sauce!

They are very eurhyaline and in nature swim in and out of water with different salinities. You can probably do it by the classic “drip technique” used for mollies.
 
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