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Horse Mussels can grow to a maximum length of 400 mm, but on average only reach lengths of 260-300 mm. 
 
 
 
Horse Mussels are thought to have a maximum age of around 15 years. Broadcast spawning occurs all year with a peak in the summer months. 
 
 
 
Horse Mussels inhabit muddy-sand substrates in shallow intertidal and subtidal waters to depths of 50 m. 
 
             
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 Key statistics 
	
		
		
		
		
			
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			| 1 Reported commercial catch is calculated for the 12 month period to 30/09/2026 | 
		 
		
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			| 2 Quota value and exports are calculated pro-rata to reported commercial catch for the 12 month period to 30/09/2026 | 
		 
	 
 
             
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