Blue Shark
Scientific Name: Prionace glauca | Category: saltwater
The blue shark is a creature of sublime, streamlined elegance, a true oceanic wanderer whose form is a study in hydrodynamic perfection. Its body is a long, slender torpedo, built for effortless, mile-devouring travel, typically reaching 6 to 9 feet in length and 200 to 400 pounds, though giants can push 12 feet and over 500. The namesake coloration is its most striking feature: a deep, indigo-blue back that fades to a brilliant azure along the flanks, transitioning sharply to a stark, snowy white on the belly. In hand, an angler will note its elongated, pointed snout, large, dark eyes that speak of deep-water mystery, and notably long, scythe-like pectoral fins that seem to slice the water as it swims. The skin has a smooth, almost velvety texture, unlike the rough denticles of many sharks.
species.getBySlug
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"commonName": "Blue Shark",
"scientificName": "Prionace glauca",
"slug": "blue-shark",
"category": "saltwater",
"aliases": [
"Blue Dog"
],
"description": "The blue shark is a creature of sublime, streamlined elegance, a true oceanic wanderer whose form is a study in hydrodynamic perfection. Its body is a long, slender torpedo, built for effortless, mile-devouring travel, typically reaching 6 to 9 feet in length and 200 to 400 pounds, though giants can push 12 feet and over 500. The namesake coloration is its most striking feature: a deep, indigo-blue back that fades to a brilliant azure along the flanks, transitioning sharply to a stark, snowy white on the belly. In hand, an angler will note its elongated, pointed snout, large, dark eyes that speak of deep-water mystery, and notably long, scythe-like pectoral fins that seem to slice the water as it swims. The skin has a smooth, almost velvety texture, unlike the rough denticles of many sharks.",
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"phases": [
{
"id": "6c86450a-0f66-4d0b-87cc-75834f90234d",
"name": "Adult",
"slug": "adult",
"description": "The Blue Shark is the consummate oceanic nomad, spending its life patrolling the open blue. In this phase, it is a graceful, relentless traveler, cruising the deep temperate and tropical seas in search of squid, pelagic fish, and carrion. Its existence is defined by constant motion and the endless pursuit of food across vast oceanic expanses.",
"appearance": "A supremely streamlined, elongated body with a long, conical snout and large, dark, expressive eyes. The dorsal surface is a deep indigo-blue, fading through brilliant azure along the flanks to a sharp, clean line of demarcation and a pure, stark white belly. The pectoral fins are remarkably long, narrow, and scythe-like. The skin is smooth and velvety to the touch. Typical size ranges from 6 to 9 feet in length (200-400 lbs), with exceptional specimens reaching 12 feet and over 500 pounds.",
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"habitat": "Pelagic, open ocean worldwide in temperate and tropical waters. Typically found from the surface down to several hundred meters, often along temperature gradients or current edges.",
"anglersNote": "This is the phase anglers encounter while bluewater trolling or chunking offshore. A prized catch for its beauty and fight, but its meat is generally not prized, leading to frequent catch-and-release.",
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],
"contentUpdatedAt": "2026-05-09T22:31:23.510Z"
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