Microphis aculeatus : fisheries

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Microphis aculeatus (Kaup, 1856)

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Microphis aculeatus   AquaMaps   Data sources: GBIF OBIS
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Microphis aculeatus
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Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Syngnathiformes (Pipefishes and seahorses) > Syngnathidae (Pipefishes and seahorses) > Nerophinae
Etymology: Microphis: Greek, mikros = small + greek, ophis = serpent (Ref. 45335).
More on author: Kaup.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; freshwater; brackish; demersal; pH range: 7.5 - 8.2; dH range: 20 - 30. Tropical; 22°C - 26°C (Ref. 12468)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Africa: west coast of Africa, from Senegal to Angola (Ref. 81680).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm SL male/unsexed; (Ref. 4509)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 38-54; Anal spines: 0; Anal soft rays: 2 - 3. Diagnosis: 41-44 bony rings (mode 43) (Ref. 81680), 19-21 (mode 20) trunk rings (before anus)(Ref. 57226, 81680) and 20-26 tail rings (behind anus)(Ref. 81680). 8.0-9.75 total subdorsal rings, 1.75-3.5, usually 2.5 or more, subdorsal trunk rings and 5.25-7.0, usually 5.75-6.5, subdorsal tail rings (Ref. 81680). Head length 4.8-5.6 (mean 5.2) times in SL (Ref. 57226, 81680). Snout 1.5-1.7 (mean 1.6) times in HL (Ref. 81680). Coloration: general colour of preserved specimens dark brown, but pattern often highly variable within a single sample; lateral part of snout with dark brown blotches or stripes; body plain, blotched or with vague pale mid-lateral trunk stripe; dorsum and belly somewhat paler than flanks; ventral part of head light brown; opercle with numerous small dark brown spots and often a narrow horizontal dark, silvery stripe situated towards upper edge; caudal fin mainly brown with pale edging; other fins hyaline or with fin rays edged with brown; no consistent differences in preserved colouration of various subspecies (Ref. 81680).

Biology     Glossary (e.g. epibenthic)

Occurs in coastal rivers, streams and estuaries (Ref. 4127, 81680). Found in sea grasses and above sandy substrates in shallow water near shore a.o. (Ref. 81680). Ovoviviparous (Ref. 205). Breeds in fresh water (Ref. 81680). Male carries the eggs in a brood pouch found under the tail (Ref. 205). Eggs develop in the brood pouch for 1-3 weeks, until young of about 1.5 cm TL leave the pouch (Ref. 81680). Maximum reported total length for M. b. aculeatus 17.1 cm (Ref. 81680).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Eggs are attached to a kind of brood pouch, formed by two skin folds on the belly of the male (Ref. 13371).

Main reference Upload your references | References | Coordinator | Collaborators

Dawson, C.E., 1986. Syngnathidae. p. 281-287. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 4127)

IUCN Red List Status (Ref. 130435)

  Data deficient (DD) ; Date assessed: 07 May 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries:
FAO - Publication: search | FishSource |

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 25.2 - 28, mean 27.3 °C (based on 171 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00085 (0.00032 - 0.00224), b=3.04 (2.81 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.4   ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (14 of 100).
Price category (Ref. 80766):   Unknown.