emerald green and spotted cory behavior question - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 2 Old 09-11-2011, 01:56 PM Thread Starter
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Question emerald green and spotted cory behavior question

I have a new tank. i got a green emerald and two spotted corys at petco. Green cory was all by itself and two spotted were left. Since they should be in group of three the lady said it woyld be perfect. They get along great. My question is they are very active swimming about and appear to be having a great time. is tgis normal or are they stressed? They have been in new tank for four days. Ph 6.8 water is soft.
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post #2 of 2 Old 09-11-2011, 03:16 PM
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Corys generally do not like being moved, so they frequently respond by higher-than-normal activity. Constantly swimming up and down the side of the tank, or lengthwise along the rear or front glass, singly or in groups. They will settle provided all else is OK, sometimes in hours, sometimes days, sometimes a few weeks. Normal cruising will be slower than this frantic activity.

Is the Emerald a true cory, Corydoras aeneus, or is it Brochis splendens? Check the profiles (click the shaded names), they describe the difference and there are photos, the dorsal fin is the key.


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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