Reply to topic  [ 1 post ] 
Pearl goby 
Author Message
User avatar

Joined: Thu Jul 09, 2009 11:30 am
Posts: 1776
Post Pearl goby
Family : Gobiidae (Gobies) , subfamily: Gobiinae
Order : Perciformes  (perch-likes)
Class : Actinopterygii (ray-finned fishes)
Fishbase Name : Pearl goby
Fish Name : Istigobius spence
Max size : 7.9 cm SL (male/unsexed; Ref. 1602)
Environment : reef-associated ; depth range 0 - 12 m
Climate : tropical; 15°N - 40°S
Global Importance :
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)Distribution : Indo-Pacific: Mozambique, Kenya, Sri Lanka, Papua New Guinea, Australia, and Micronesia; undoubtedly more widespread.
Diagnosis : Dorsal spines (total): 7-7; Dorsal soft rays (total): 10-11; Anal spines: 1-1; Anal soft rays: 9-10; Vertebrae: 26-26. Pectoral fin rays entire. Predorsal cycloid scale 7-10, ctenoid on trunk. Few spots on nape; a dusky line running from eye dorsal to sensory pore path, ending at or before pectoral fin base; wavy brown lines on the snout. Pelvic and distal part of anal fins darker in males than in females. Appressed anal fin reaching within a distance of 1-2 scales of caudal fin in male, 2-4 scales in female; appressed 2nd dorsal slightly overlapping caudal in male. Some males exhibit 3-4 vertical bars on abdomen and 2-3 horizontal bars in 1st dorsal fin.
Biology : Occurs in turbid coastal areas near river mouths at less than 1 m to at least 12 m, Ref. 48637
Threatened : Dangerous:  
Dangerous : harmless
Coordinator :
Main Ref : Murdy, E.O. and D.F. Hoese. 1985. (Ref. 420)

India country information
Common Names : [ No common name ]
Status : native
Salinity : marine
Uses : no uses



Fri Jul 24, 2009 11:34 am
Profile
Display posts from previous:  Sort by  
Reply to topic   [ 1 post ] 

Who is online

Registered users: Google [Bot]


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
cron