Video: Rainwater Lucania (Lucania Parva)
2024 Author: Molly Page | [email protected]. Last modified: 2023-12-17 15:30
Rainwater Lucania is a small fish that looks like a guppy in appearance. Inhabits brackish and seawater. Eats only live food. It is quite rare in aquariums. Seasonal reproduction - once a year. Pretty bouncy fish.
Names: Rainwater killifish.
Habitat: America aboriginal coastal waters (Mexico, California; Nevada, Oregon, Utah and Massachusetts). Rises in the Rio Grande and r. Pecos.
Habitat: Rainwater Lucania is a coastal species inhabiting calm brackish and sea water (swamps, bays, lagoons) with a salinity of 0.7-24.2 ppt.
Description: Lucania resembles large guppies in appearance. Dorsal fins have 9-13 rays, pectoral fins 4-7, anal fins 15-18, caudal fins 5-9.
The body is laterally compressed, the mouth is small, upturned, the teeth are conical, the maxillary and mandibular teeth are single-row. The head is smoothed from above, the muzzle is blunt. The dorsal and caudal fins are rounded. Females are larger than males (on average by 6 mm).
An article on the topic Lucania Goodei, or Florida (Lucania goodei)
Color: pale - the upper body is brown-olive, the sides and belly are silvery, on each scale there is a dark border, which gives the fish a chain mail pattern. The fins are transparent.
During the breeding season, males develop a black spot in front of the dorsal fin; tail, anal and pelvic fins are colored orange-red with a black border. The anal fin is yellow.
Size: 5-6 cm.
Photo © Marco Vaccari
Aquarium: with a low water level, tightly closed with a lid on top.
Sizes: for a couple of fish 30-35 liters.
Water: 20-24 ° C, dH 15 °, pH 8. It is recommended to add sea or table salt to the water (up to 4-5 tablespoons per 10 liters).
Lighting: sunny.
Plants: thickets of living plants (for example, American Vallisneria - Vallisneria americana).
Decoration: grottoes, driftwood, secluded places.
Feeding: in nature it eats small crustaceans and larvae of aquatic insects.
Behavior: in nature, rainwater bowling, when chased by a predator, can jump out of the water and lie on its surface (on its side) for up to 10 seconds, and then dives into the water.
Water zone: upper layers of water.
May be kept with: Peaceful fish that prefer the same water parameters.
Photo © Fishes of North Carolina
Fish breeding: seasonal - once a year (May-June). Rainwater lucania lays eggs on plant leaves. It can migrate to water with a lower salinity, and after spawning it comes back.
Sex differences: females are colored more modestly.
Puberty: begins at the age of 3-6 months, with a size of 25 mm.
Spawning aquarium: live plants (vallisneria, nise).
Number of eggs: 7-46 spherical colorless eggs per day. The diameter of the eggs is (on average) 1.23 mm.
Incubation: at a water temperature of 24 ° C - 6 days.
Feeding juveniles: larvae with a large yolk sac begin to take food at 5-7 days of age (small crustaceans and worms, mosquito larvae, molluscs).
Recommended:
Lucania Guda, Or Florida (Lucania Goodei)
Lucania Guda, or Florida Lucania (Blue-fin top minnow, Bluefin killifish) is a small fish from North America. Inhabits heavily overgrown ponds and streams with a weak current. Carries small amounts of salt and low oxygen content in water. The color, except for the breeding season, is dull