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🌊 Marine Least Concern ⚠️ Venomous 🐠 Aquarium ⚡ Venomous 🌡️ Tropical

Horn-nosed boxfish

Ostracion rhinorhynchos Bleeker, 1851
Max Length
35 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
35–50 m
Climate
Tropical
Resilience
High
Vulnerability
19.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Inhabits rubble substrates in channels between sheltered inner reefs or in deep sandy lagoons around coral patches . Solitary or in pairs . Generally uncommon species that inhabits coral reefs and flat bottoms in coastal areas. Feeds on benthic invertebrates.

Scientific Name
Ostracion rhinorhynchos
Authority
Bleeker, 1851
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
35 cm
Depth Range
35–50 m
Trophic Level
3.5
Resilience
High
Vulnerability
19.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 9; Anal soft rays: 9. Has a large protuberance on the snout . : short and / or deep.

🌀 Behaviour

Behavioural data for Horn-nosed boxfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; reef-associated; depth range 35 - 50 m . Tropical West Pacific: East Africa to Indonesia, north to southern Japan, south to northern Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.5±0.37
🧍 Solitary
Food Items

benthic invertebrates

📐 Morphometrics

Length–Weight Relationship: W = 0.03715 × L2.8 (TL)
Max TL
35cm
Dorsal Rays
9
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
19.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Bleeker, 1851

⚠️ Venom Profile

Medical Warning: This species is venomous. Seek immediate medical attention if envenomated. Contact emergency services and follow first aid guidance below.
Venom Type
proteinaceous neurotoxin
Delivery
dorsal, anal, and pelvic fin spines
Potency
Severe
Mortality Risk
Low
Symptom Onset
5min
Duration
24.0hrs
Antivenom
✗ Not Available
Named Toxins
high-molecular-weight protein (Stonustoxin analogue) acetylcholine
Symptoms
  • immediate intense pain
  • swelling
  • erythema
  • occasional nausea and weakness
Affected Body Systems
peripheral nervous system cardiovascular
First Aid
Immerse affected area in hot water (45 C, tolerable) for 30-90 minutes to denature toxin. Do not apply ice.
Medical Treatment

Analgesia; wound care; tetanus prophylaxis; severe cases may require monitoring for systemic effects.

References: Compiled from Bhide (2018), Halstead et al. (1988) and family-specific envenomation literature

🌐 Names & Taxonomy

Language Common Names
🇬🇧English horn-nosed boxfish · Largenose Boxfish · Rhino Boxfish
🇯🇵Japanese Tenguhakofugu · テングハコフグ · Tengu-hakofugu
🇨🇳Chinese 吻鼻箱魨 · 海牛港 · 突吻箱魨 · 箱河魨 · 長鼻木瓜

Scientific Synonyms

Scientific Name Author Year Status
Ostracion rhinorhynchus Bleeker 1851 Synonym
Ostracion rhynorhyncus Bleeker 1851 Synonym
Rhynchostracion rhinorhynchos Bleeker 1851 Synonym
Rhynchostracion rhinorhynchus Bleeker 1851 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 6 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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