Common names from other countries
Classification / Names
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Perciformes/Percoidei (Perchs) >
Percidae (Perches) > Etheostomatinae
Etymology: Etheostoma: Greek, etheo = to strain + Greek, stoma = mouth; Rafinesque said "various mouths", but Jordan and Evermann suggest the name might have been intended as "Heterostoma (Ref. 45335); sitikuense: The name sitikuense comes from the Cherokee Indian word sitiku for a place of clean fishing water and is the origin for the name of Citico Creek. Citico Darter refers to the type locality of the species, where the only extant, non-introduced.
Environment: milieu / climate zone / depth range / distribution range
นิเวศวิทยา
; น้ำจืด กลุ่มสัตว์หน้าดิน,กลุ่มสัตว์พื้นท้องน้ำ. Temperate
North America: USA. The Citico Darter occupies an approximately 3.5 river km reach of Citico Creek in Monroe County, Tennessee, just downstream of a U.S. Forest Service boundary. The creek is a tributary of Tellico Lake, an impoundment of the mainstem Little Tennessee River. The population in Citico Creek historically extended further downstream than its current distribution suggests. One individual was collected 13 December, 1979 from lower Citico Creek prior to its inundation by Tellico Lake (D. Etnier, pers. comm.). The darter is historically extirpated from Abrams Creek, a tributary of Chilhowie Lake also impounding the Little Tennessee River, in Great Smoky Mountains National Park, Blount County, Tennessee, where it is known from three specimens collected in 1937 and 1940. This and other at-risk fish species (Jenkins & Burkhead 1984; Simbeck 1990) apparently were extirpated from Abrams Creek by application of rotenone throughout the tributary system below Abrams Falls during 1957, a plan designed to reduce food and habitat competition for a Rainbow Trout fishery (Lennon & Parker 1959). Etheostoma sitikuense has been propagated and reintroduced to lower Abrams Creek, below Abrams Falls and stocked in Tellico River using Citico Creek stocks (Rakes & Shute 2005; Shute et al. 2005; Rakes & Shute 2008). (Ref. 78849).
ขนาด / น้ำหนัก / Age
Maturity: Lm ? range ? - ? cm
Max length : 5.0 cm SL เพศผู้/กระเทย; (Ref. 79849)
Short description
เครื่องมือที่ใช้ในการแยกชนิดสัตว์,สิ่งมีชีวิตออกจากกัน | สัณฐานวิทยา | ความยาวต่างๆ
Etheostoma sitikuense is distinguished from all members of the E. percnurum species complex by more pored lateral-line scales (34 vs. 28 or fewer); intermediate anal-fin band width (range = 33–39% vs. 49–58% in E. lemniscatum and E. percnurum and 29–33% in E. marmorpinnum); fewer transverse scale rows (15 vs. 16); shorter pectoral (P1L, =240 vs. 245 or greater) and pelvic (P2L, =180 vs. 197 or greater) fins;
and wider (BW, =80 vs. 69 or less), deeper (BD1, =178 vs. 173 or less and BD2, =158 vs. 153 or less) body. E. sitikuense is further distinguished from E. percnurum and E. lemniscatum by narrower distal band on
the second-dorsal fin (range = 9–16% of fin height vs. 23–25%). From E. percnurum and E. marmorpinnum by distal caudal-fin band width (range = 15–18% of fin length vs. 12–15% in E. marmorpinnum and 17–25% in E. percnurum); percentage of area along first-dorsal fin base scaled (70% vs. 20% in E. percnurum and 100% in E. marmorpinnum); and intermediate number of scales around caudal peduncle (24 vs. 23 or 25,
respectively). From E. lemniscatum and E. marmorpinnum by fewer lateral-line scales (43 vs. 44). From E. percnurum by diffuse marbling or stippling in medial portion of second dorsal fin of nuptial males (vs. uniformly dusky); tessellations in medial portion of caudal fin of nuptial males (vs. uniformly dusky); narrower distal band on pectoral fin (range = 14–20% vs. 29–32%); and fewer caudal-fin rays (15 vs. 18); and from E. marmorpinnum by lower percentage of the belly covered by scales (10% vs. 60–80%). Means of other measurements were also informative (Ref. 79849).
Life cycle and mating behavior
Maturities | การสืบพันธุ์ | Spawnings | Egg(s) | Fecundities | ตัวอ่อน
Blanton, R.E. and R.E. Jenkins, 2008. Three new darter species of the Etheostoma percnurum species complex (Percidae, subgenus Catonotus) from the Tennessee and Cumberland river drainages. Zootaxa 1963:1-24. (Ref. 79849)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
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=0.00537 (0.00235 - 0.01227), b=3.14 (2.94 - 3.34), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ระดับชั้นอาหาร (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
ความสามารถในการกลับคืนสู่ปกติ (Ref.
120179): ความสูง, เวลาต่ำสุดที่จะทำให้ประชากรเพิ่มขึ้นเป็น 2 เท่าใช้เวลาน้อยกว่า 15 เดือน (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
