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Perciformes/Uranoscopoidei (Sand dwellers) >
Ammodytidae (Sand lances)
Etymology: Ammodytoides: Greek, ammos = sand + Greek, dytes = anyone that likes immersions, diving (Ref. 45335); xanthops: Name from the Greek 'xanthos' for yellow and 'ops' for face, referring to the dominant yellow colour of the head dorsally and anterior to the eye.
More on authors: Randall & Heemstra.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina; djupintervall 26 - 62 m (Ref. 83531). Tropical
Western Indian Ocean: Mozambique.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 12.2 cm SL hane/ej könsbestämd; (Ref. 83531)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 48 - 49; Mjukstrålar i analfenan: 23 - 24; Ryggkotor: 57 - 59. This species is distinguished by the following characters: D 48-49; A 23-24; pectoral rays 15-16 (usually 15); lateral-line scales 106-112; absence of small scales dorsally on opercle; gill rakers 5-6 + 22-25; vertebrae 57-59; body depth 10.0-11.7% SL; eye diameter 3.3-3.5% SL; when fresh dark purplish gray dorsally, pale silvery blue on sides and ventrally; yellow on interorbital and most of head anterior to eye; dusky on front of snout and tip of lower jaw; series of 6-7 black spots at edge of dorsal fin; without black dots in fins; caudal fin with a broad blackish posterior border (Ref. 83531).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Randall, J.E. and P.C. Heemstra, 2008. Ammodytes xanthops, a new species of sandlance (Perciformes: Ammodytidae) from Mozambique. Smithiana,, Publications in Aquatic Biodiversity, Bulletin No. 9: 21-25. (Ref. 83531)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 25.3 - 26.7, mean 26.1 °C (based on 8 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00324 (0.00140 - 0.00746), b=3.07 (2.88 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
