Brackis / Marine fish

[Dann Casey]

does anyone know of any marine fish that could live happily in brackish
water.

the tank is mainly for cichlids and one or two puffers, but if i can get a
nice clown that would kick ass. then again i dont know if they will get
allong with the cichlids or not.

also what should the salinity be at for brackish water, mainly for the
puffer and cichlids.????

[Steven Turner]

Not really, most brakcish fish are not very colorful like tropical fish and
reef fish. Anyhow thats debatable, but my suggestion is you look for books
on wildlife of different regions, like florida for example.

First of all if they are african Ciclids (which I assume thats what you
mean) then the essentail elements in the water is differet than that of
brackish water that results from fresh watermeeting the ocean. If you mean
South American Cichlids the pH in your tank needs to be lower than the
acceptable level for most marine life. We'll just assume you don't have
North american Cichlids (theres only one, the Texis). As for salinity,
heres way things get tricky. As you approach the ocean the salinity goes
up. So fish 1/2 mile up the river are not necessarily exposed to the same
salinity as those at 1/4 or 1 mile and so on. But say 1.013 in some places.
A while ago I was doinf experiments her locally on how resistant local
brackish inverts were to exposure to a full marine environment. Well crabs
do fine (okay they passed the test over extensive time), but the snail died
off slowly. (I never test fish).

On a side note though, locally there is a large population of American eels.
They are very cool, and they annually migrate from fresh to salt and back.
If you want to find out more about these fish research (keyword...)
"anadromous" and "catadromous". I don't remember which is which, but one
means spawns in fresh and lives in salt and the other is just the opposite.

Best of Luck Casey
"Dann Casey" <da...@bestweb.net> wrote in message
news:u7eqna2...@corp.supernews.com...

[DefLizard]

Brackis / Marine fish

Group: rec.aquaria.marine.misc Date: Sat, Feb 23, 2002, 5:11am (PST+3)
From: da...@bestweb.net (Dann Casey)

Scats and Moonfish have been kept in both SW and FW, so should do well
in brackish conditions. Archerfish can also be kept under brackish
conditions. Salinites can be from 1.015 to 1.010, but for your
cichlids, I would suggest the lower level. As far as colorful tropical
reef fish, such as clowns, you will just kill them. Cichlids are, for
the most part highly territorial, pugnacious and aggressive, and
required very large tanks, which should be kept in mind when mixing fish
from several families, as they might take a great dislike to other fish.

HTH

http://community.webtv.net/deflizard/doc
regards, John