AnimaliaIUCN LCApproved Recent Sighting
Diodon holocanthus
Longspined Porcupinefish
Linnaeus, 1758
Detailed Texts Multi-lang
Fish with a robust body covered in long erectile spines that unfold when it inflates in the face of potential threats.
Added by
Anonymous Curator
Reviewed by
Julia Trouin
Last modified by
Julia Trouin
Taxonomy
PhylumChordata
ClassActinopterygii
OrderTetraodontiformes
FamilyDiodontidae
GenusDiodon
Taxonomic AuthorityLinnaeus, 1758
Ecology & Status
Origin
Native
Population Trend
Stable
Breeding Season
Year Round
Trophic Role
Carnivore
Recent Sightings
Yes
Habitat Summary Multi-lang
Inhabits tropical and subtropical reefs worldwide, often sheltering in caves or crevices during the day.Behaviour Multi-lang
Primarily nocturnal, feeds at night.Social Activity Multi-lang
Generally solitary.Feeding Guild Multi-lang
Invertebrate predator with a strong beak for crushing.Trophic Chain Details Multi-lang
Benthic carnivore specialized in crustaceans and mollusks with hard shells.Reproductive Behaviour Multi-lang
Pelagic spawning in open sea.Physical Measures
Length (cm)
10.0 - 40.0 cm
Weight (Grams)
200 g - 2.00 kg
Offspring per cycle200 - 1000
Sexual DimorphismNo
Lifespan
Sexual Maturity
1 - 2 Years
Gestation / Incubation
--
Lifespan Estimated
Males10 Years
Females10 Years
Evolutionary Adaptations Multi-lang
Its spines are actually modified scales that become rigid when the fish ingests water.
Main Threats Multi-lang
Incidental catch in fisheries and destruction of its coral habitat.
Interesting Facts Multi-lang
Although it has a formidable appearance, it is quite a shy fish and prefers to hide rather than fight.