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🌊 Marine Vulnerable 🌡️ Tropical

Thorny seahorse

Hippocampus histrix Kaup, 1856
Max Length
17 cm
Max Weight
Lifespan
Trophic Level
3.5
Depth
0–82 m
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
Depth Zone
reef

📖 Overview

A rare inhabitant of shallow sheltered reefs, found among clumps of algae or in seagrass beds. Large adult pelagic and probably associated with drifting debris. Associated with sponges and sea-squirts . Ovoviviparous . Feeds on zooplanktons and small crustaceans . The male carries the eggs in a brood pouch which is found under the tail . Monogamous and always in home-ranging pairs, that is they do not defend an exclusive territory . Use in traditional Chinese medicine is increasing with the rise in patent medicines . Not common in the aquarium trade . Minimum depth reported taken from Ref. 128812.

Scientific Name
Hippocampus histrix
Authority
Kaup, 1856
Habitat
Marine
Climate
Tropical
Body Shape
Other
IUCN Status
VU
Max Length
17 cm
Depth Range
0–82 m
Latitude
35°S – 35°N
Trophic Level
3.5
Resilience
High
Vulnerability
15.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 15 - 18; Anal spines: 0; Anal soft rays: 4. : other.

🌀 Behaviour

Behavioural data for Thorny seahorse is currently being reviewed.

🦐 Diet

Diet information for Thorny seahorse is currently being compiled.

🥚 Reproduction

Size at Maturity
7.9cm TL

Monogamous mating is observed as both obligate and genetic . Male carries the eggs in a brood pouch .

🌍 Habitat & Distribution

Marine; reef-associated; non-migratory ; depth range 0 - 82 m , usually 15 - 40 m . Tropical; 35°N - 35°S, 22°E - 132°W South Africa to French Polynesia; north to Japan, south to Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Non-migratory
Trophic Level
3.5±0.53
Food Items

zooplanktons and small crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00447 × L3 (TL)
Max TL
17cm
Dorsal Rays
17
Anal Rays
4

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Other
Climate Zone
Tropical
Latitude Range
35°N – 35°S
Described By
Kaup, 1856

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Longspine seahorse · Spiny Seahorse · Thorny Seahorse
🌍AFR Stekel-seeperdjie
🇸🇦Arabic Hisan al-Bahar
🏳️Catalan Cavall de mar
🇩🇰Danish Tornet søhest
🌍FIJ Ose ni waitui
🇫🇷French Cheval de mer · Hippocampe · Hippocampe épineux · Hippocampe hérissé · Hippocamps à épines
🇯🇵Japanese Ibara-Tatsu · Ibaratatsu · イバラタツ
🇰🇷Korean 가시해마
🌍MAL Kuthirameen · കുതിര മീന് · കുതിരമീന്
🌍MSA Korek telinga · Kuda laut · Kuda laut duri · Kuda-kuda
🇵🇹Portuguese Cavalo marinho
🌍TAH moai'a
🌍VIE Cá Ngựa gai · Cá Ngựa gai dài
🇨🇳Chinese 刺海馬 · 刺海马 · 海馬 · 長棘海馬 · 长棘海马

Scientific Synonyms

Scientific Name Author Year Status
Hippocamphus hystrix Kaup 1856 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 10 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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