Oryzias woworae
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November 7, 2010 at 9:45 am #319479
coelacanthParticipantQUOTE (Phill Austen @ Nov 6 2010, 11:23 PM) <{POST_SNAPBACK}>Hi, I saw some of the “Oryzias Neon” a couple of days ago. Can these fish be sexed as juveniles? and is there a noticeable difference in body shape twixt the sexes?The slightly more elongate dorsal and anal are visible on males at about half-grown. The red trim to the border of the tail is also more apparent, but obviously you need a group together to see this.
The only body shape differences we’ve seen are a slightly rounder abdomen on ripe females.There are some decent-sized adult fish at Pier Aquatics, at a very good price compared to the prices bandied about for woworae.
March 18, 2011 at 9:08 am #341810
MattKeymasterSo do females produce eggs constantly or on a cyclical basis?
The full description is available here, incidentally.
March 18, 2011 at 11:21 am #341811
torsoParticipantMatt wrote on Mar 18 2011, 09:51 AM:So do females produce eggs constantly or on a cyclical basis?as long they feel comfortable they reproduce with a delay of 1-2 weeks – time from brushing the eggs off and reappearing bunch of eggs. in a group with 6-7 females it’s not possible to find out the exact rythm. the time from brushing off to hatching is at least 3 days. I passed the group to a friend on 5th march and the fry remaining in the plants showed up 3 to 5 days later. I think the larger ones which a made pics of were brushed off about 5 days before, a second and smaller group – after putting the plants in a other tank, without “transporting” water – appeared to my surprise two days later. a lot of shrimps and snails in there, no adequate food. I think that a breeder with controlled, intensive care could say more. may be I’ll do with the F2-generation.
temperature is 24/25°
cheers CharlesMarch 18, 2011 at 11:37 am #341812
MattKeymasterThanks a lot Charles – and I assume they eat pretty much anything?
March 18, 2011 at 11:49 am #341814
torsoParticipantQUOTE (Matt @ Mar 18 2011, 12:20 PM) <{POST_SNAPBACK}>Thanks a lot Charles – and I assume they eat pretty much anything?they are not keen on dried standard food or pellets. the fry eats all.
March 18, 2011 at 11:54 am #341815
oakenParticipantMy fish happily eats anything from standard flake to brine shrimp.
March 23, 2011 at 4:45 pm #341889
MattKeymasterStill confused about the difference between ‘real’ O. woworae and these fish from mainland Sumatra hence delay on the profile. Got a couple of emails to send which will hopefully solve the mystery.
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