In this video clip, we can see a group of Moxostoma austrinum in the main spring at La Luz, southwest of the city of Zamora, Michoacan. Individuals chase each other and gather for spawning over the gravely bottom of the spring, and circle each other again.
Group of Goodea atripinnis at La Luz spring, Lerma-Santiago drainage [Michoacan].
Group of Paraneetroplus bulleri in the strong current of the Ajal River, Coatzacoalcos drainage [Mexico].
A Maskaheros regani female guarding her fry in the Rio Ajal, Coatzacoalcos drainage [Oaxaca]. This shy species is subject to a great stress while guarding their fry in the predators rich environment where they live. Males are quick to abandon breeding females due to their shyness.
Thorichthys callolepis pair guarding their fry in an area of moderate current of the Ajal River, Coatzacoalcos drainage [Oaxaca]. Pairs have to be extremely well coordinated to defend their fry an environment full of potential predators.
A pair of Thorichthys panchovillai (blue morph) in the Ajal River, Coatzacoalcos drainage [Oaxaca] guard their babies in an extremely well coordinated tactic. An approaching courting pair looking to establish a territory is driven away from the territory with the join effort of the pair.
A nervous female Amphilophus trimaculatus guides her babies out of a sheltered area in the shallow Ostuta River whenever she sees the environment as safe enough, her beautiful and striking yellow coloration signals to by-passers of her aggressive disposition in defense of her young.
A group of young and adult Vieja zonata is shown before a nervous female guarding her large numerous babies in a protected area in the shallow Ostuta River [Mexico]. The threat to the babies at all times is clear in this video, although luckily the fry has reached a large enough size to protect themselves.
A Astatheros macracanthus pair guarding their hidden wrigglers in the shallow water of the Ostuta River [Mexico].
Chiapaheros grammodes female guarding her fry in Nandaburé, in a small affluent of Rio Grande de Grijalva, Grijalva drainage [Chiapas]. The female, quite visible with her black pelvic fins, with fast runs defends a large territory in the middle of which her fry graze the sunken leaves for food. The much larger male (not visible in this video) temporarily abandons the territory at the slightest sign of danger.
Vieja hartwegi breeding in Santo Domingo River, Grijalva drainage [Chiapas]. Pairs keep their wrigglers and small fry in caves and take them out for feeding when they feel there is enough safety. [ss] are very shy and the male would temporarily abandon the territory when the threat is too large. Nevertheless as they fry grows the male takes bigger risks, in the last part we can see a male guiding the fry as the female was missing for some reason. Fry move very fast lead by the parents.
Fish community in the Ajal River, Coatzacoalcos drainage [Oaxaca]. The amazing fish community of this river can be observed in this clip, obtained letting the video camera running for a few minutes in an area with some sunken logs.
Underwater view of El Aguaje, Pánuco drainage [San Luis Potosí]. This locality is found inside the Rio Verde valley which is a semi-arid area. In the video taken in the shallow habitat we can see a group of Astyanax mexicanus constantly running in front of the camera, while some Poecilia mexicana cross the viewfinder regularly, the colored males are seen farther from the lenses while the females pass closer. Occasionally some small Tamichthys mandibularis are observed. Two exotic young Oreochromis aureus pass by and finally a group of curious Herichthys bartoni are seen watching at the lenses.