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Dwarf sunfish (Ranzania laevis) — Molidae

Dwarf sunfish

Ranzania laevis
Family: Molidae
LC · Least Concern

The Dwarf sunfish (Ranzania laevis) is a saltwater fish of the family Molidae that grows up to 100 cm.

Length
100 cm
Water
Saltwater
Depth
1.0–140.0 m
Diet
Carnivore
Behaviour
Solitary
Body shape
Flat / disc-shaped
Substrate
Open water
Danger
Harmless
Range
Open ocean; epipelagic.
Edibility
Rarely eaten

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Description

The slender sunfish is a sunfish (Molidae) from the open ocean. Unlike its rounded relatives it has an elongate, strongly laterally compressed body without a true tail fin, with a small, beak-like, toothless mouth. It is an oceanic, epipelagic fish that usually lives solitarily. It feeds on planktonic crustaceans, jellyfish, small squids and other soft prey. The species is harmless to humans.

Frequently asked questions

How do you recognise the Dwarf sunfish?

The Dwarf sunfish has a flattened, disc-shaped body, is mainly silver-grey and shows a plain pattern. Oblong sunfish without a true caudal fin and with a small, toothless mouth; oceanic plankton and jellyfish eater.

Where does the Dwarf sunfish live?

The Dwarf sunfish lives in the sea (marine waters) and is mostly found around open water. Open ocean; epipelagic.

How big does the Dwarf sunfish get?

The Dwarf sunfish grows to a maximum of about 100 cm.

Is the Dwarf sunfish dangerous to humans?

No, the Dwarf sunfish is harmless to humans. None required: this species is harmless to humans.

Is the Dwarf sunfish edible?

The Dwarf sunfish is rarely eaten.

More photos

Dwarf sunfish (Ranzania laevis) — Molidae — 2
iNaturalist ((c) Kiloueka, some rights reserved (CC BY-NC))
Dwarf sunfish (Ranzania laevis) — Molidae — 3
iNaturalist ((c) Melanie Price, some rights reserved (CC BY-NC))

Easily confused with

These species look like the Dwarf sunfish and live in the same waters.

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All data

Identification

English name
Dwarf sunfish verified
Scientific name
Ranzania laevis
Family
Molidae
Other names
Elongate sunfish; Oblong sunfish; Slender sunfish; Slender Mola; Truncated sunfish; Trunkfish; Tsunami fish verified

Appearance

Size class
Extra large verified
Max length (cm)
100.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Plain inferred
Tail shape
Straight inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Open water sourced
Min depth (m)
1.0 verified
Max depth (m)
140.0 verified
Natural range
Open ocean; epipelagic. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Planktonic crustaceans, jellyfish, small squid and other soft prey sourced
Social behaviour
Solitary inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Oblong sunfish without a true caudal fin and with a small, toothless mouth; oceanic plankton and jellyfish eater. sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Angling with lures or (dead/live) baitfish by trolling, casting or drift fishing in open water. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
None required: this species is harmless to humans. sourced

Status & sources

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

More from the family Molidae

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