Please help me identify those fish.
My oppinion
1-3 Taurulus bubalis
4-5 Cyclopterus lumpus
Dear Lennart,
Those fish look quite similar and you will need a fish identification field guide to help out with the identification. They look like preserved samples and some morphological features that can aid their identification may not be present. To be on a more safer side you can try using molecular taxonomy tool like DNA Barcoding to identify the different fish species.
I hope that helps.
Lennart,
The pictures are difficult to see but you can check all your specimens against the Fish Base: http://www.fishbase.ca/search.php
If you think one of the specimens is Taurulus bubalis then just got to:
http://www.fishbase.ca/Photos/ThumbnailsSummary.php?Genus=Taurulus&Species=bubalis
I hope this helps.
Tom
Like Mark Sanda said, they indeed look preserved. Therefore visual identification is difficult. The 2nd species indeed appears to be a Cyclopterus lumpus, but the first one is more difficult to determine. Could it also be a Myoxocephalus scorpius?
Do you have any information about the location and depth at which they were collected? If they are from the eastern north Pacific the first specimen could be Hemilepidotus jordani http://www.afsc.noaa.gov/race/media/photo_gallery/fish_files/Yellow_Irish_Lord.htm. The second is from the family Cyclopteridae. Additional information could help narrow the list of possible characters. https://en.wikipedia.org/wiki/Lumpsucker
Sean, thank you for the answer.
The specimens came from zoo aquarium.
I can't see the barbels in the corner of the mouth which T. bubalis have. I'd be more inclined to think it's Myoxocephalus scorpius.
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