Cynolebias perforatus, Costa & Brasil, 1991

History

In preparation.

Other species in its species group are C. altus, C. attenuatus, C. gibbus, C. gilbertoi, C. macrophthalmus, C. parietalis, C. obscurus, C. oticus, C. ochraceus, C. porosus, C. roceus, C. rectiventer and C. vazabarrisensis.

 
Cynolebias perforatus - juvenile male. © Image made by Herve Gonin, France.
Cynolebias perforatus - juvenile male. © Image made by F.Vermeulen.

Reproduction

Breeding Cynolebias perforatus is not for inexperienced hobbyists. The species becomes relative large and need special attention in feeding and storing the eggs. Food demand is high as the species need to grow to adulthood within a few months and eggs need to be stored under very cool circumstances in wich a frigidaire could become a good tool. Reproduction is best with one male and a number of big females. Tank need at least contain 60 liters and provide shelter for the females as male can be very agressive.

 

Also females are known to be agressive to each other. Put a high container filled with neutral pH material like Coco peat or clay (or a mix of it) for spawning.

Eggs are 2.2 mm in diameter and need about 4 to 5 months to develop. Juveniles that grow faster than others should be separated from the smaller ones immediately as they prey on them.

Remarks :

As with almost all other species this one is seldom available under hobbyists.


Variations
Cynolebias perforatus - male. Januária, Minas Gerais, Brazil. © Drawing is made and donated by Ruud H. Wildekamp, The Netherlands from his AKA publication "A World of Killies, Vol. 2." The material is being reprinted with permission of both, Ruud Wildekamp and the American Killifish Association. This diagram may not be copied or used on any other web site.
 
   

Map
     

Meristics

Max. size 12.0 cm in males - fem.smaller.
Dorsal (average, male only ) 17.0,
Anal (average, male only ) 20.1,
D/A (average, male only ) 5.0,
LL scale count (average) 39.0
Pre- dorsal length to SL – 59.1 %
Depth to SL – 31.8 %

Vertebrae count (average) 36.0

   

Literature
Costa, W.J.E.M. 1991. Three new Species of Cynolebias (Cyprinodontiformes: Rivulidae) from the Sao Francisco Basin, Brasil. Ichtyol. Explor. Freshwaters, 2 (1): 56, fig. 1, 2b..