Aguja azul vs Neon Tetra

Makaira nigricans comparado con Paracheirodon innesi

Taxonomy & Classification

Atributo	Aguja azul	Neon Tetra
Nombre Científico	Makaira nigricans	Paracheirodon innesi
Orden	Istiophoriformes	Characiformes
Familia	Istiophoridae	Characidae
Conservation Status	Vulnerable	Least Concern

Physical Traits

Atributo	Aguja azul	Neon Tetra
Longitud Máxima	500,0 cm	3,0 cm
Peso Máximo	636,0 kg	0,001 kg
Color	Deep cobalt-blue back transitioning to silvery-white belly; flanks display 15 or more pale vertical iridescent bars that fade rapidly after death; dorsal fin vivid cobalt.	Electric iridescent blue-green stripe from eye to adipose fin; vivid red stripe from mid-body to tail base; back olive-brown; belly silvery-white; all fins transparent and colorless.

Habitat & Environment

Atributo	Aguja azul	Neon Tetra
Tipo de Agua	Saltwater	Freshwater
Rango de Profundidad	0-1000m	—
Distribución Geográfica	Circumglobal in tropical and subtropical Atlantic, Indian, and Pacific oceans. Highly migratory, frequenting open blue-water environments from the Gulf Stream and Caribbean to the equatorial …	Native to blackwater tributaries of the upper Amazon River basin in Colombia, Peru, and Brazil. Inhabits slow, acidic, tannin-stained streams and flooded forest areas in …
Hábitat	Open ocean (epipelagic to mesopelagic, 0-200m) in tropical and subtropical Atlantic, Pacific, and Indian Oceans. Migratory; follows warm currents and thermoclines. Spawns in open oceanic …	Warm, soft-water rivers and streams of the upper Amazon and Perú in South America. Prefers slow-moving blackwater with dense vegetation (pH 5.5-7.5, 20-26°C). Dense schooling …

Aquarium Suitability

Atributo	Aguja azul	Neon Tetra
Tamaño Mínimo del Acuario	—	40 L
Temperatura	—	20-26
Rango de pH	—	6.0-7.0
Nivel de Cuidado	—	Easy
Temperamento	—	Peaceful

Información de Pesca

Atributo	Aguja azul	Neon Tetra
Pez de Pesca Deportiva	Sí	No
Clasificación de Pelea	10/10	—
Récord Mundial	—	—
Nivel de Mercurio	—	—

Cuisine & Edibility

Aguja azul

Firm, mildly flavored meat with moderate fat; often used in Hawaii as smoked marlin or grilled steaks. A prized sport catch; consumption is moderate due to Vulnerable status.

Neon Tetra

Not consumed — ornamental aquarium species kept for its vivid iridescent stripe and peaceful schooling behavior.

Species Overview

Aguja azul

The blue marlin is the pinnacle of big-game fishing. Found in tropical and temperate Atlantic and Indo-Pacific waters, it can exceed 500 kg and is known for spectacular aerial displays when hooked.

The neon tetra is one of the most popular freshwater aquarium fish, known for its iridescent blue and red horizontal stripes. Native to blackwater streams of the Amazon basin, it thrives in schools of six or more.