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 criando en el río Santo Domingo, cuenca del río Grijalva [Chiapas]. Las parejas mantienen a sus alevines o pequeñas crías en cuevas y las sacan para alimentarse cuando perciben un medio ambiente seguro. Vieja hartwegi es una especie tímida y el macho abandona temporalmente el territorio cuando percibe una amenaza importante. Sin embargo, al crecer las crías el macho estará dispuesto a tomar mayores riesgos, en la última parte del video se puede ver a un macho guiando a sus crías dado que la hembra falta por alguna razón. las crías se mueven rapidamente guiadas por sus padres.
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.