Grand requin marteau vs Guppy
Sphyrna mokarran comparé à Poecilia reticulata
Taxonomy & Classification
| Attribut | Grand requin marteau | Guppy |
|---|---|---|
| Nom scientifique | Sphyrna mokarran | Poecilia reticulata |
| Ordre | Carcharhiniformes | Cyprinodontiformes |
| Famille | Sphyrnidae | Poeciliidae |
| Conservation Status | Critically Endangered | Least Concern |
Physical Traits
| Attribut | Grand requin marteau | Guppy |
|---|---|---|
| Longueur maximale | 610,0 cm | 6,0 cm |
| Poids maximum | 580,0 kg | 0,002 kg |
| Couleur | Brownish-gray to olive-gray dorsal surface with a clean countershaded white belly; no distinct patterning; first dorsal fin is tall and strongly falcate; pelvic fin tips dusky. | Males display highly variable iridescent patterns on a gray-olive body; spots, reticulations, and solid patches of red, orange, blue, green, and black; flowing fantail fins often multicolored. |
Habitat & Environment
| Attribut | Grand requin marteau | Guppy |
|---|---|---|
| Type d'eau | Saltwater | Brackish |
| Plage de profondeur | 1-300m | — |
| Aire de répartition | Circumtropical in warm coastal and offshore waters of the Atlantic, Indian, and Pacific oceans. Concentrates around coral reefs, continental shelf edges, and deep-water drop-offs; population … | Native to freshwater and slightly brackish streams of northern South America including Venezuela, Trinidad, and Barbados. Tolerates a wide range of salinities; introduced on every … |
| Habitat | Neritic | Slow-moving rivers, streams, ponds, and drainage ditches of northern South America (Venezuela, Trinidad). Warm, shallow water with dense vegetation (22-28°C). Highly adaptable; introduced worldwide. |
Aquarium Suitability
| Attribut | Grand requin marteau | Guppy |
|---|---|---|
| Taille minimale de l'aquarium | — | 38 L |
| Température | — | 22-28 |
| Plage de pH | — | 6.8-7.8 |
| Niveau d'entretien | — | Easy |
| Tempérament | — | Peaceful |
Cuisine & Edibility
Grand requin marteau
Critically Endangered — consumption strongly discouraged. Fins are historically traded but the species faces severe population decline; eating this fish is ecologically irresponsible.
Guppy
Not consumed — a tiny ornamental livebearer prized by hobbyists for its dazzling color variations and ease of breeding in the aquarium.
Species Overview
Grand requin marteau
The great hammerhead is the largest of the nine hammerhead shark species. Its distinctive cephalofoil (hammer-shaped head) houses an array of electroreceptors that allow it to detect stingrays buried beneath the sand.
Guppy
The guppy is one of the most widely distributed tropical fish, found in freshwater habitats across the Americas. Males display vivid colors and elaborate tail patterns to attract females. They are live-bearers, giving birth to free-swimming fry.