Dermal

'Fur Coat Syndrome' is a dermal bacterial infection (though most fishkeepers would consider it a fungus because it looks fuzzy).

Furthermore, we only use transdermal absorption to fight local infections. For systemic infections we use per oss administration or injectable forms.

If the older leaf gets a black area that then turns clear, what is probably happening is that the tissue dies and turns black, then much of the dead tissue sloughs off, leaving just a clear epidermal layer.

are known to shed their cuticle, or the outer epidermal layer. This helps rid the body of algae, parasites or encrusting organisms. In some individuals shedding can occur quite often. For example, a R.

"Many sisoroids (aspredinids, sisorids, akysids and erethistids in particular) shed their skin because they have so much more keratin (they have a lot of epidermal structures made of keratin) than the average catfish skin (actually, ...

" Considered naked or without scales, catfish have either thick, leathery skin or "dermal" armor. Most catfish will live in the middle or the bottom of the tank, and prefer tanks with numerous hiding places.

See also: Water, Species, Stress, Others, Aquarium