Common species . Adults typically live as commensals in the gut of shallow-water holothurians, Holothuria tubulosa and Stichopus regalis (although some deep-water records exist, see Ref. 6347). Prejuveniles (tenuis larvae) probably inhabit the same host species while the vexillifer and egg-rafts are planktonic. The fish may partly protrude or entirely leave its host at night to feed on small fish and benthic invertebrates. Reproduction noted in July-September. .
Dorsal soft rays (total): 37 - 39. Eel-like, moderate to shallow body depth; cardiform teeth present but restricted to upper jaw symphysis; swim bladder constricted forming two chambers; lacking enlarged dentary or premaxillary fangs, dentary diastema, pelvic fins and swim bladder rockerbone . Possesses a free, movable maxilla .: eel-like; Cross section: compressed.
Behavioural data for Pearl fish is currently being reviewed.
Diet information for Pearl fish is currently being compiled.
It is not yet established whether spawning is seasonal or sporadic in carapids. Eggs elliptical and planktonic .
Marine; demersal; non-migratory; depth range 1 - 150 m . Subtropical; 42°N - 15°S south to Ascension Island.
small fish and benthic invertebrates
| Language | Common Names |
|---|---|
| 🇬🇧English | Pearl fish · Pearlfish |
| 🌍CES | jehlička obecná |
| 🇩🇪German | Nadelfisch |
| 🌍ELL | Μαργαριτόψαρο |
| 🇫🇮Finnish | neulakala |
| 🇫🇷French | Aurin · Fierasfer |
| 🇮🇹Italian | Galiotto |
| 🌍MLT | Huta tal-hjar |
| 🇵🇱Polish | Karap europejski |
| 🇵🇹Portuguese | Peixe-perola-do-Atlântico |
| 🇷🇺Russian | Средиземноморский карапус |
| 🌍SLV | Strmorinec |
| 🇪🇸Spanish | Rubioca |
| 🌍SQI | Bishtholla · peshku bishthollë |
| 🌍TUR | Akdeniz inci balığı · inci baligi |
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| ? imberbis | Cuvier | 1815 | Synonym |
| Carapus birpex | Arnold | 1956 | Synonym |
| Carapus cuspis | Arnold | 1956 | Synonym |
| Carapus imberbis | Cuvier | 1815 | Synonym |
| Diaphasia acus | Brünnich | 1768 | Synonym |
| Encheliophis tenuis | Putnam | 1874 | Synonym |
| Fierasfer acus | Brünnich | 1768 | Synonym |
| Fierasfer fontanesii | Risso | 1810 | Synonym |
| Fierasfer imberbis | Cuvier | 1815 | Synonym |
| Fierasfer maculata | Swainson | 1839 | Synonym |
| Gymnotus acus | Brünnich | 1768 | Synonym |
| Notopterus fontanesii | Risso | 1810 | Synonym |
| Ophidium fierasfer | Risso | 1827 | Synonym |
| Ophidium imberbe | Cuvier | 1815 | Synonym |
| Porobronchus linearis | Kaup | 1860 | Synonym |
| Vexillifer dephilippii | Gasco | 1870 | Synonym |
Occurrence records from the Global Biodiversity Information Facility (GBIF) — 685 records indexed .
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