Atlantic Bluefin Tuna vs Guppy

Thunnus thynnus との比較 Poecilia reticulata

Taxonomy & Classification

属性	Atlantic Bluefin Tuna	Guppy
学名	Thunnus thynnus	Poecilia reticulata
目	Scombriformes	Cyprinodontiformes
科	Scombridae	Poeciliidae
Conservation Status	Least Concern	Least Concern

Physical Traits

属性	Atlantic Bluefin Tuna	Guppy
最大体長	458.0 cm	6.0 cm
最大体重	680.0 kg	0.002 kg
体色	Dark metallic blue-black back with a bright silvery-white lower belly; upper flanks show iridescent blue and green tones; short yellow finlets have black margins; second dorsal and pectoral fins dark.	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

属性	Atlantic Bluefin Tuna	Guppy
水質タイプ	Saltwater	Brackish
生息水深	0-985m	—
分布域	North Atlantic Ocean from the Gulf of Mexico and Caribbean north to Norway and Iceland, including the Mediterranean and Black seas. Two spawning populations: western …	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 …
生息地	Open ocean in the Atlantic, Mediterranean, and Black Sea. Highly migratory, ranging from temperate to subtropical surface waters (0-100m, optimum 15-25°C). Aggregates seasonally to feed …	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

属性	Atlantic Bluefin Tuna	Guppy
最小水槽サイズ	—	38 L
水温	—	22-28
pH 範囲	—	6.8-7.8
飼育難易度	—	Easy
気性	—	Peaceful

釣り情報

属性	Atlantic Bluefin Tuna	Guppy
ゲームフィッシュ	はい	いいえ
ファイト評価	10/10	—
世界記録	—	—
水銀含有量	—	—

Cuisine & Edibility

Atlantic Bluefin Tuna

The pinnacle of raw fish dining — intensely rich, fatty tuna-o-toro with deep red color and buttery, umami-forward flavor. Commands the highest prices globally in Japanese sushi markets.

Guppy

Not consumed — a tiny ornamental livebearer prized by hobbyists for its dazzling color variations and ease of breeding in the aquarium.

Species Overview

Atlantic Bluefin Tuna

The Atlantic bluefin tuna is one of the largest bony fish, capable of crossing the Atlantic in under 60 days. A single specimen has sold for over $3 million at Tokyo's fish market. It can maintain a body temperature above the surrounding water.

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.