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Shortfin batfish (Zabidius novemaculeatus) — Ephippidae

Shortfin batfish

Zabidius novemaculeatus
Family: Ephippidae

The Shortfin batfish (Zabidius novemaculeatus) is a saltwater fish of the family Ephippidae that grows up to 45 cm.

Length
45 cm
Water
Saltwater
Depth
10.0–40.0 m
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Oceania: Australia, Indonesia, Papua New Guinea

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Description

The shortfin batfish is a spadefish (Ephippidae) from coastal and reef water of the Indo-West Pacific. The species grows to about 35 cm and has a very deep, strongly laterally compressed, silver-grey, disc-shaped body with rounded dorsal and anal fins. As a social fish it hovers calmly above reef, wrecks and in harbours and snaps at algae, zooplankton and small invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Shortfin batfish?

The Shortfin batfish has a flattened, disc-shaped body and is mainly silver-grey.

Where does the Shortfin batfish live?

The Shortfin batfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Oceania: Australia, Indonesia, Papua New Guinea

How big does the Shortfin batfish get?

The Shortfin batfish grows to a maximum of about 45 cm.

Is the Shortfin batfish dangerous to humans?

No, the Shortfin batfish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

More photos

Shortfin batfish (Zabidius novemaculeatus) — Ephippidae — 2
iNaturalist ((c) slenderp51, some rights reserved (CC BY-NC))
Shortfin batfish (Zabidius novemaculeatus) — Ephippidae — 3
iNaturalist ((c) Sue Churchill, some rights reserved (CC BY-NC))
Shortfin batfish (Zabidius novemaculeatus) — Ephippidae — 4
iNaturalist ((c) Tom V, some rights reserved (CC BY-NC))
Shortfin batfish (Zabidius novemaculeatus) — Ephippidae — 5
iNaturalist ((c) J. Martin Crossley, some rights reserved (CC BY-NC-SA))
Fin

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All data

Identification

English name
Shortfin batfish sourced
Scientific name
Zabidius novemaculeatus
Family
Ephippidae
Other names
Ninespine batfish; Ninespined batfish; Nine-spined batfish; Shortfin batfish; Short-fin batfish; Short-finned batfish verified

Appearance

Size class
Large verified
Max length (cm)
45.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Silver / grey sourced
Tail shape
Straight inferred

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
10.0 verified
Max depth (m)
40.0 verified
Natural range
Oceania: Australia, Indonesia, Papua New Guinea sourced
Origin
Native inferred

Behaviour & biology

Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Fishing method
Fishing with natural bait (fish, shrimp, worm) or lures close to reef and rock structures. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

More from the family Ephippidae

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