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There are approximately 35 species of
seahorse, although there is ongoing discussion of which may be called
distinct species and which should be considered sub-species.
There is also conflicting information available about the
characteristics of each species. We have attempted to provide the
most widely accepted information.
The hardiest tropical species is H. erectus (perhaps the most tolerant of
wide temperature ranges). This species, when captive bred (CB) is the ideal
"starter seahorse" . Other tropical species which may be available CB include H.
reidi, H. barbouri, H. procerus, H. fuscus and H. kuda. Recommend temperature is
72-76 degrees F (23-25 degrees C)
Subtropical species should generally be kept at 70-74 degrees F (22-24degrees C). You may need to purchase a chiller to maintain stable tank
temperatures if you do not have a strictly temperature controlled room for your
tank. Subtropical species include H. ingens, H. whitei, H. capensis and H.
Temperate species should be kept at 66-72 degrees F (19-22 degrees C). You
will almost certainly need to purchase a chiller to keep these species. Temperate species include H. abdominalis (potbellies) and H. breviceps.
Dwarf seahorses (H. zosterae) are very hardy and can withstand a
wide range of temperatures. I would recommend 70-76 degrees F.
with no more than a 3-4 degree change in 24 hours.