blennie sphinx

Scientific name Aidablennius sphynx
Descriptor Valencienne
Year of description 1836
IUCN category (World) LC
Family Blenniidae
Genus Aidablennius
Aidablennius sphynx Aidablennius sphynx

Introduction

The Sphinx blenny frequents shallow, wave-beaten areas from the Mediterranean Sea to the Black Sea.

Who is it?

Morphology

  • Average size
    6 cm
  • Maximum size
    8 cm
  • Shape
    Rectangular
  • Mimicry
    stone
  • Average size
    6 cm
  • Maximum size
    8 cm
  • Shape
    Rectangular
  • Mimicry
    stone

How to recognize the blennie sphinx ?

The Sphinx blenny has an elongated, laterally compressed body, mostly brown and beige. Simple tentacles, slightly forward-facing, overhang the eyes. The body is barred with 5 to 7 more or less dark stripes bordered in blue.

This species has fine blue or white vertical bands on the cheeks and two bands forming a slightly backward-facing inverted V shape behind the eye. White patches with blue highlights dot the head.

The dorsal fin is dual and the pectoral fins are wide (about a quarter of the body).

Sexual dimorphism

The tentacles above the eyes are more prominent in males. In addition, males have a rectangular, bluish spot circled in red behind the eye.

Behaviour & Life cycle

  • diet
    omnivorous with alguivorous tendency
  • Sociability
    solitary
  • territorial
    No
  • Way of living
    diurnal

Solitary like other blennies, adults reside in rocky areas where they "graze" on algae and hunt small invertebrates. Juveniles prefer seagrass beds where they shelter from predators.

Reproduction

  • Reproduction
    ovipare qui pond sur substrat caché

This oviparous fish reproduces when the water warms up in spring (March to June). Territorial males prepare a nest in which the female will lay eggs. The male then guards the eggs for about a month until they hatch.

Harmless species

This species poses no particular danger to humans in its natural habitat.

Where to find it?

Conservation status of populations (IUCN)

World : LC

Geographic distribution & Conservation

It is found from the Eastern Atlantic from Morocco to the Mediterranean Sea and the Black Sea.

What is its habitat?

Natural environment characteristics

  • Depth
    0 - 4 m

Biotope presentation

The Sphinx blenny is regularly seen near the shore. It can be easily spotted, especially in algae-rich areas. It inhabits rocky floors covered with algae and plant debris.

Species of the same biotope

Fishkeeping

Not recommended

We do not recommend keeping this species in an aquarium. It has unpredictable needs which, if not met, generate significant stress, potentially leading to a shorter life expectancy, an interruption of its growth or the development of pathogens.

To go further

Species of the same family

To read on the web

Sources & Contributions

Participation & Validation

The Fishipedia team and specialist contributors are committed to providing high-quality content. However, although the information comes from scientific sources or testimonials from specialists, the cards may contain inaccuracies.

Adrien Falzon

Adrien Falzon

Benoit Chartrer

Benoit Chartrer

Translation

Translation done with the valuable contribution of our translators, who make this information available to a wider audience. We sincerely thank them for their commitment.

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