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Sunday 17 January 2021

Developments in my coldwater marine aquarium.

 A lot has happened to my fish tank since the last post I did about it. Back in Summer, the few unusually hot weeks, unfortunately caused some significant losses. My beloved scorpions, lemon sole and the rockling perished... Because of this, I'm planning on getting a water chiller in Spring to prevent this from happening again. 

I also had to remove a blenny and a big ballan wrasse that were too boisterous towards the other inhabitants of the tank. Lastly, Papi the goby and the veteran of the tank, died a few weeks ago, probably from old age!

It's not been all doom and gloom though. Current Inhabitants are: 1 lobster, 1 goldsinny wrasse, 1 pollock, 1 velvet crab, 1 baby blenny and a gurnard! Along with plenty of prawns and winkles for forage and tank cleaning.

Plenty of cover and structure. 


Queen of the tank. 

It's a very harmonious environment, although only after I taped up the lobster's claws as he was picking fish off while they were sleeping. Lobster's got very territorial and also is a landscape artist(!). It was very surprising seeing it move rocks and plants around just to create the lair it prefers! 

The gurnard is the latest addition and seems very chilled out in the tank. I was also given a tiny boarfish that seemed to be suitable for the fish tank but unfortunately it's tiny size and preference for open swimming to hiding, made it an easy snack. I hope I find a larger one of them as it was so cool!


Only the left one survives now.

Tiny boarfish. Acclimatised but eaten...

Them claws are secure with tape now...


I'm hoping to incorporate a couple more little fish now that the lobster has been "pacified". Think the gurnard needs a shoalmate as the lobster ate his brothers and would also love another sea scorpion. 
I still keep the same regime of adding some water once a month along with some sand vacuum and filter cleaning. Still feeding chopped frozen prawns with some whitefish and pellets for some variety. The pellets are lumpsucker feed and most fish along with the lobster love them.

All in all I still love messing around with the fish tank and see it evolve. With the horrible weather we've been having, it helps me feel better for not being able to go fish.

RIP Papi...







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