Least Killifish (Heterandria formosa) not breeding
Started by
ShadetreeIchthyologist
, Nov 21 2024 03:00 AM
5 replies to this topic
#1
Posted 21 November 2024 - 03:00 AM
My least killifish seem to have stopped breading. Ive reduced my numbers for my 6 gal tank and have roughly a 1.5/1 female to male ratio of fish. Ive been feeding them multiple times a day with both live or frozen baby brine shrimp, nano fish food, and live vinegar eels. I can give tank parameters if needed but its a pretty neutral PH and moderate hard water. I do a 20-30% water change every 3-5 days. The tank is heavily planted. Anyone else have something similar happen?
"Amateurs can potentially make valuable contributions to our knowledge of fishes". - Etnier and Starnes
#5
Posted 27 November 2024 - 12:13 AM
They have bred before. Usually the fry would get eaten due to the lack of cover. Now it’s well grown in and the population has been reduced but yet I don’t see any fry or signs of them eating fry like I use to
"Amateurs can potentially make valuable contributions to our knowledge of fishes". - Etnier and Starnes
#6
Posted Today, 07:55 AM
My follow-up 2c are that even though adult Least killifish are very peaceful, they have nothing better to do than breed and eat/hunt. While it seems like you're offering lots of quality food, frequently, they are still successfully hunting down the fry. Do you have the option to upgrade to a 10 gallon? I get the appeal of having a nano-tank on the counter, but it seems like you've hit your carrying capacity for that size tank.
Nick L.
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