Tag Archive: Amazon

Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii (ray-finned fishes)
Order: Perciformes (Perch-likes)
Family: Cichlidae (Cichlids)
Subfamily: Cichlasomatinae

Genus/species: Pterophyllum altum

Altum Angelfish 4689972848_189e460e8f_b

GENERAL CHARACTERISTICS: Extremely compressed silvery body with two broad dark vertical bands. Remarkably long trailing pelvic fins. Altum refers to the dramatic height of their dorsal and anal fins. Length to 18 cm (7 inches). Max height 20 cm (7.87 inches). Orbital indentation differentiates from Pterophyllum scalare.

DISTRIBUTION/HABITAT: South America: Amazon basin, in the upper Rio Negro drainage; Orinoco River basin.


REPRODUCTION and DEVELOPMENT: External fertilization. Monogamous; pairs persist until partner dies or is separated. Clutch-tending guarders.

Altum Angelfish 3787890518_a572b4929f_b

MORTALITY/LONGEVITY: Preyed upon by other fishes. Subject to bacterial diseases and protozoan, fungal and worm infestations.

CONSERVATION: IUCN: Not evaluated.

Flooded Amazon AM05

Ref. fishbase, EOL

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Kingdom: Animalia
Class: Actinopterygii (ray-finned fishes)
Order: Perciformes  (Perch-likes)
Family: Cichlidae  (Cichlids)Genus/species: Geophagus altifrons

Earth eating cichlid 2975336785_c7f6e17516_o

GENERAL CHARACTERISTICS: Protruding mouth. Head has red weblike markings. Spiky fins.

DISTRIBUTION/HABITAT: South America: Amazon basin in freshwater rivers.

DIET IN THE WILD: Common name derived from this fish’s almost constant digging in the sand for prey.

REPRODUCTION: Fish in this genus are mouth brooders. The parents take turns brooding and spit the fry into the partner’s mouth when their shift is over.

CONSERVATION: Not evaluated.

REMARKS: Genus name translates as “eartheater.” This common name applies to many species. A small, but popular food fish.

Flooded Amazon

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Cichla ocellaris (Cichlidae)  Cichlid

Female below.

DISTRIBUTION: Amazon, Orinoco, and La Plata basins in South America. Currently established in southern Florida.

HABITAT: Warm freshwater.

APPEARANCE: Elongate body with deeply notched dorsal fin, large mouth with projecting lower jaw. Color: olive-green fading ventrally to yellow-white, with three dark vertical bars on sides and series of dark spots in between. A large black spot encircled by silver adorns the caudal fin. Max. length: 60 cm. Male has a lump no top of the skull.

DIET: Diurnal feeders on other fishes. High speed pursuit predators.

REPRODUCTION and DEVELOPMENT: Substrate spawner. Both parents guard their clutch for about 9 weeks. Like most cichlids, breeding pairs are highly territorial and aggressive.

REMARKS: Legally introduced to Florida. Are considered a prized sport and food fish.

LOCATION: Flooded amazon tunnel, AM11

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Male below; note lump on top of the skull.

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