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Ovalentaria/misc (Various families in series Ovalentaria) >
Pseudochromidae (Dottybacks) > Congrogadinae
Etymology: Halidesmus: Greek, als, alis = salt + Greek, desmos = link, bond (Ref. 45335).
More on author: Günther.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien demersaal; diepte 0 - 16 m. Subtropical; 31°S - 35°S
Southeast Atlantic: False Bay, Cape Province to Coffee Bay, Transkei in southeastern Africa.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 20.0 cm TL mannelijk / geslacht onbekend; (Ref. 4395)
Dorsale stekels (totaal) : 1; Dorsale zachte stralen (totaal) : 58 - 63; Anale stekels: 0; Anale zachte stralen: 48 - 52; Wervels: 66 - 69. Light to dark brown with color, sometimes with dusky crossbars (Ref. 4395). Middle lateral line joining with the dorsal lateral line just above the pectoral fin base; midline of parietal canal with a single pore; dark spot above pectoral fin (Ref. 531). Pelvic fin rarely absent; dorsal and anal fin membranes united only basally to caudal fin (Ref. 49841).
Body shape (shape guide): eel-like; Cross section: circular.
Common in intertidal pools and marginal subtidal areas (Ref. 4395).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Winterbottom, R., 1985. Revision and vicariance biogeography of the subfamily Congrogadidae (Pisces: Perciformes: Pseudochromidae). Indo-Pac. Fish. (9):34 p. (Ref. 531)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.3 ±0.58 se; based on food items. |
Weerstandsvermogen (Ref. 120179) |
Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low to moderate vulnerability (29 of 100). 🛈 |