G. Polyuranodon can live from fresh all the way up to salt (or at least high brackish). Tends to do best on the low brackish end.
I don’t have anything super rare, but here’s what I do have:
Red wolf (haven’t been able to get a good recent pic of him - constantly at the front begging for food):
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Banded leporinus - a lot less common than they were 10 years ago:
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Kamohara fang blenny - one of the lesser kept fang blennies (has a birth defect with a crooked head):
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Sun loach (Y. eos):
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