Genus, Cichlasoma Swainson, – American cichlids. Species, Cichlasoma istlanum (Jordan and Snyder, ) – mojarra del Balsas, redside cichlid. Cichlasoma istlanum is a species of ray-finned fishes with 5 observations. I just picked up 4 Red Istlanum last week. 3 of them from COA and 1 male from Rapps. The ones from COA are Gmfishnuts original strain and.

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The Grotto Last Seen: E-books for sale PDF copies of popular cichlid books offered for sale at the best price. Cichlids coming from the western part of the range are distinguished from eastern counterparts by the stronger green coloration, mainly in the head area.

Balsas Cichlid (Cichlasoma istlanum) ·

A ‘Cichlasoma’ istlanum pair changing turns in the care of the spawn, Papagayo River, Mezcala, Balsas. Sadly the species is more and more under pressure due to the introduced Amatitlania nigrofasciatum Zebra cichlid. Oct 17, Messages: I have done extensive collecting with casting nets in rivers in the Colima state, but wasn’t able to catch a single specimen. At this time the female stays closely above the cave just peaking her head to take a close look at her babies every couple of minutes, preventing with her mouth that any dirt may cover them; after that she returns to her position, the male at this time surrounds apparently careless the nest in circles about a cichlasomma in radio.

Cichlaeoma life is found in some rivers in the form of large weeds that the fish use for cover Rio Amacuzacbut mostly no aquatic plants are found in the main courses cichkasoma the rivers where istlanum lives.

They look real good bro I will defiantly get some females out to you,I just wish that they didn’t get hit with bloat good news is that at least some are recovering lost a few though,but when they make a complete recovery you can be sure to expect some bro.

I have observed lucky parents with herds of more than one thousand 2 cm fry, strolling cichlasomx with their babies in the shallows of the river. The chemistry of the Balsas water is from neutral to alkaline and hardness readings are from hard to very hard.

Here are a few pics of the male from Rapps. Gourami Swami likes this. Home Welcome to the cichlidae information center!!

It’s not easy for most people or other “regular” fish keepers to understand why we maintain this type of collection and spare no expense on this fascinating hobby. This fact limits the istlanum habitat to a fraction of it’s potential range, as Balsas tributaries courses are found in a good part above this altitudes.

Besides her job, she still devotes time to help any person with a cichlid question! Library Bibliography Magazines Reviews. I hope i can grab a few females from Gatling as his are a mix of Gani’s strain and Gmfishnuts, that way i can combine all 3 into one clean pair Here up are some pics and a video of my large male and female from COA.


Dorsal and anal fins with filaments that extend beyond the middle of the rounded caudal fin, in some cases the dorsal filament beyond the end of it.

Yes, my password is: We now have this beautiful fish in stock. Now if i can get a couple females from Gatling ill pair him up with one of those, otherwise ill use one of the females i have now and most likely sell the rest. At her return, they flank each other like a sign of taking the turn and the male then disappear from the area. We want to answer your questions, offer advice and fill the galleries with pictures of the fish we have all grown to love.

I have also observed many pairs of cichlids with small fry just the day before an unexpected storm out of season falls; when the storm has passed not a single pair with fry was observed in the river. Trade section The master list of cichlid offers ordered by area and species name. People awareness of the species existence and understanding of their biology are a beginning force to convince others of the importance to preserve the unique and once proud fauna of our world.

It has been suggested then that Istlanum according to it’s feeding technics could cichlasoam considered part of the genus Nandopsis Gill Konings,but recently Dr. Ruling the underwater environment of the Mexican largest Pacific drainage, the Balsas river system, lives as the solely native representative of the cichlid family a beautiful fish ckchlasoma magnificent colors and interesting habits, ‘Cichlasoma’ istlanum.

Other features are thick lips and a lower jaw a little bit longer than the upper one. Large males develop gibbosities in the frontal area when breeding.

Human uses

Fins are translucent showing blue iridescent spots and small red lines that become dots in the first third of the caudal fin.

Of course these fish need large ciclasoma and an equipment that fits their needs, but if these things are given any aquarist will for sure enjoy keeping them. I had a few hundred from wrigglers in a 40 long by themselves and they tore each other up. The extensive range of ‘Cichlasoma’ istlanum has given origin to several geographic color forms of the fish, the one shown in the photographs I have to admit being not the most colorful variant but coming from one of the few areas I know where the water is clear enough to take underwater photographs, Rio Papagallo in the Guerrero State N.

Cichlasoma istlanum : fisheries

Nevertheless, the absence of natural geographical accidents like waterfalls in the lower rivers leaves a very large uninterrupted range for Istlanum, much larger than the majority of the ranges known for Central American cichlids. The members of this forum have come together to share our knowledge and experiences of fish keeping. In this genus the fish remained until the big Cichlasoma mess started in once the Swedish ichthyologist Sven Kullander restricted the genus civhlasoma some South American representatives closely related to the type species, Istlnaum bimaculatum Kullander, One of the rare species in the hobby is Cichlasoma istlanum the generic position of this species is still an unresolved problem, Cichlasoma is for sure wrong.


The bigger danger this beautiful cichlid faces is as usual of human origin; introduction of exotic species, both for food or amusing purposes plus the careless pouring of wastes in the river courses, are some acts that pose a risk to all freshwater fish populations in the world. Cichla is another genus of cichlid. It is true that the cichlid is hard to collect but I also found out talking with the people that live in the river course that mojarras cannot be encountered.

Tate Regan to the genus Cichlosoma and placed in his new subgenus Parapetenia.

Yellow on the head, as well as the blue iridescent spots on the scales and fins, also intensifies on both sexes. Wrigglers become free swimming and at this point they abandon the nest for good, both parents staying close to guide istlanhm through the shallow and quiet waters of the river to graze for food, mainly the male showing the route with the typical ‘Cichlasoma’ spasmodic movements of his fins and the female staying close to the heart of the fry cloud.

No, create an account now. Females are substituted by the males every once in a while, short time that the female uses to disappear from the spawning area in search of food. In breeding individuals the red of the lower half of the flanks becomes very intense as well as the dark in the upper part, becoming in males velvety black up to about five black blotches that form a line in the upper part of the flanks and are just clearly visible in dominant individuals.

Our specimens are German bred. This mountain range acts as a barrier for istlanum distribution, the other side of which makes the beginning of that of the istlanum sibling species ‘Cichlasoma’ beani Jordan Apr 25, Messages: There are also many introduced species, African cichlid representatives like Tilapia rendalli and Oreochromis aureus are found in the whole range, introduced by the Mexican government as a dietary supplement for people in cichlaso,a region.