Anableps anableps
Four-eyed Fish
March 13th, 2012 — 1:18pm
The eye of Anableps species is split horizontally by a band of epithelial tissue. It has two corneas, two pupils, a single, egg-shaped lens and one retina that's also split into two sections. The lens is oval and asymmetric with the upper part flattened as in the human eye and the lower section curved as in most other fishes. The upper cornea is thicker and enriched with glycogen which possibly helps to protect it from drying and UV irradiation. Two horizontal flaps of the iris are thought …
Comment » | Category: Cyprinodontiformes, Cyprinodontoid Toothcarps
Ameca splendens (Butterfly Goodeid)
Is the temperature range really supposed to read 24-24˚C or is that a typo? If it helps, fishbase.de lists their natural temperature range as 26°C-3...
5th Oct 2019
Trichopsis pumila – Sparkling Gourami (Ctenops pumilus, Trichopsis pumilus var. siamensis)
In my experience mature fish are not quite as hard to sex as it sounds. Once you recognize the ovary (yellowish organ extending past the belly) you ca...
5th Sep 2019
Trichopodus trichopterus (Three-spot Gourami)
I have a pair of this species in an 80 cm aquarium, that were combined with pentazona barbs and kuhli loaches. Though the gouramis sometimes quarreled...
4th Sep 2019
Horabagrus brachysoma (Sun Catfish)
This species is bread in captivity by scientists of NBFGR Kochi(kerala state,India).
29th Jul 2019
The HMF – What’s That?
Awesome guide for which I am most grateful. Question 1 - For very small tanks the the use of 40mm sponge would be impractical if not impossible to ...
27th Jul 2019