Rays
Sawfish
Pristis pristis
Epipelagic zone
A sacred figure of the Dreamtime in several Aboriginal cultures of northern Australia, where its saw-shaped rostrum is said to have carved the course of certain rivers, it is today one of the most endangered fish families in the world.
🗺️ Geographic range
Tropical coastal waters, estuaries and rivers, once widespread, now highly fragmented.
📊 Population
A documented collapse across more than 80% of its historical range; the entire sawfish family is listed as critically endangered by the IUCN, one of the most threatened marine fish families in the world.
Habitat
- Indian Ocean · Mangroves · Epipelagic zone · Permanent
🥚 Reproduction
Viviparous, a few dozen pups per litter, late maturity.
Behaviour
- Diet
- Schooling fish and crustaceans, flushed out and stunned with its toothed rostrum.
- Hunting
- Sweeps its rostrum sideways through a school of fish to injure them before seizing them.
- Communication
- None known.
- Social life
- Generally solitary.
Physiology
- Anatomy
- A flat, elongated, tooth-lined rostrum that can make up nearly a quarter of its total length.
- Respiration
- Gill respiration.
- Vision
- Modest, compensated for by fine electroreception on the rostrum.
- Adaptations
- The rostrum is studded with electrosensory receptors able to detect prey buried in sand or hidden in murky water.
🔗 Web of marine life
Predators
⚡ Its extraordinary abilities
- Its rostrum acts as both a slashing weapon and an ultra-sensitive electrical radar
- Can tolerate both salt and fresh water, sometimes travelling very far up rivers
🏆 Records
One of the most endangered fish families in the world
All sawfish species are listed as critically endangered by the IUCN.
Source: IUCN — Red List of Threatened Species
If you cross paths with this animal…
Risk: Low, a wary species that actively avoids humans.
Behaviour: Discreet, takes refuge in murky water or mangroves.
Advice: One of the most endangered species in the world: any sighting should be reported to local conservation programmes.
💡 Did you know?
- A Dreamtime figure in several Aboriginal cultures of northern Australia.
- All sawfish species are today listed as critically endangered by the IUCN.
