Classification / Names
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Siluriformes (Catfishes) >
Sisoridae (Sisorid catfishes) > Sisorinae
Etymology: Glyptothorax: Greek, glyptes = carver + Greek, thorax = breast (Ref. 45335); ketambe: This species is named after its type locality, the Ketambe research station, which is world
renowned as a site for the study of the Sumatran orangutan (Pongo abelii). Used as a noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
; Nước ngọt Sống nổi và đáy. Tropical
South East Asia. Indonesia. Known from the Alas River drainage in northern Sumatra, which drains the eastern face of the Leuser Mountain Range and the western face of the Central Gajo Mountain Range, debouching into the Indian Ocean (Ref. 80807).
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ? range ? - ? cm
Max length : 10.0 cm SL con đực/không giới tính; (Ref. 80807)
Short description
Khóa để định loại | Hình thái học | Sinh trắc học
Glyptothorax ketambe can be distinguished from all other Sundaic congeners except G.
schmidti and G. siamensis in having a color pattern consisting of a dark brown body with yellowish midlateral and mid-dorsal stripes. It differs from G. schmidti in having a deeper caudal peduncle (7.6–8.9% SL vs. 5.8–7.3) and a less posteriorly-extended thoracic adhesive apparatus (not reaching vs. reaching to the level ofthe base of the last pectoral-fin ray) and from G. siamensis in having a narrower head (16.1–17.9% SL vs. 17.2–20.1) and an almost straight (vs. noticeably curved) lateral margin of the thoracic adhesive apparatus. There are eight other congeners from mainland Southeast Asia that share a similar color pattern of a
dark-colored body (with or without distinct pale midlateral and mid-dorsal stripes) with G. ketambe: G. coracinus, G. interspinalus, G. laosensis, G. longicauda, G. longjiangensis, G. strabonis, G. trilineatus and G.
zanaensis. Glyptothorax ketambe is distinguished from G. coracinus in having a wider interorbital distance (29.0–31.2% HL vs. 26.2–26.7), from G. interspinalus in having a deeper caudal peduncle (7.6–8.9% SL vs.
6.1–8.0) and a narrower head (16.1–17.9% SL vs. 17.2–22.1), from G. laosensis in having a narrower head (16.1–17.9% SL vs. 19.2–21.1) and a less posteriorly-extended thoracic adhesive apparatus (not reaching vs. reaching beyond the level of the base of the last pectoral-fin ray), and from G. longicauda in having a shorter
caudal peduncle (20.1–22.9% SL vs. 23.6) and fewer vertebrae (37–38 vs. 42). It differs from G. longjiangensis in having tubercles on the dorsal surface of the head with a single, median ridge (vs. with anastomosing tubercles with multiple ridges) and without any pale markings on the nuchal plate (vs. part or all of the nuchal plate pale-colored), from G. strabonis in having a larger eye (7.5–9.6% HL vs. 6.2–6.5), interorbital distance (29.0–31.2% HL vs. 26.0–27.2) and fewer serrations on the posterior margin of the pectoral spine (9–12 vs. 14–16), from G. trilineatus in having a longer caudal peduncle (20.1–22.9% SL vs. 16.7–18.4), and from G. zainaensis in having a shorter adipose-fin base (12.0–14.5% SL vs. 14.4–18.4), and a less posteriorly-extended thoracic adhesive apparatus (not reaching to the level of the base of the last pectoralfin ray vs. reaching beyond) (Ref. 80807).
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
Ng, H.H. and R.K. Hadiaty, 2009. Glyptothorax ketambe, a new catfish (Teleostei: Sisoridae) from northern Sumatra. Zootaxa 2085:61-68. (Ref. 80807)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00371 - 0.01783), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Thích nghi nhanh (Ref.
120179): Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
